Locations
289 machines, hand-verified against primary sources; last dataset update 2026-08-10. Amateur builds are shown at city level only — see the builds directory for their full stories. Spot an error? Report a correction.
R research / teaching I medical isotope / proton therapy A amateur · hollow = museum · gray = decommissioned, mothballed, remains, or unknown · dashed = under construction · ★ = public tours. Click a table row to fly to its marker.
| 88-Inch Cyclotron | Lawrence Berkeley National Laboratory (Nuclear Science Division) | Berkeley, United States | Research | Operating | 60 | 1961 | By arrangement |
| A.C.O.M. Montecosaro cyclotron | A.C.O.M. - Advanced Center Oncology Macerata S.r.l. | Montecosaro, Italy | Medical isotope | Operating | — | — | — |
| Aga Khan University Hospital BG-75 | Aga Khan University Hospital, Karachi | Karachi, Pakistan | Medical isotope | Operating | 7.5 | 2015 | — |
| AGOR Superconducting Cyclotron | UMCG PARTREC (formerly KVI-CART), University Medical Center Groningen | Groningen, Netherlands | Research | Operating | 190 | 1994 | — |
| AIC-144 Cyclotron | Institute of Nuclear Physics (IFJ PAN), Polish Academy of Sciences | Krakow, Poland | Research | Operating | 60 | 2000 | — |
| All-Ukrainian Centre of Radiosurgery - radiopharmaceutical production department | Clinical Hospital 'Feofaniya', State Administrative Department | Kyiv, Ukraine | Medical isotope | Operating | 11 | 2011 | — |
| ARRONAX cyclotron | GIP ARRONAX | Saint-Herblain (Nantes), France | Medical isotope | Operating | 70 | 2010 | — |
| Asan Medical Center Cyclotron 1 (Cyclone 18/9) | Asan Medical Center, Department of Nuclear Medicine | Seoul, South Korea | Medical isotope | Operating | 18 | 2001 | — |
| Asan Medical Center Cyclotron 2 (GE PETtrace) | Asan Medical Center, Department of Nuclear Medicine | Seoul, South Korea | Medical isotope | Operating | 16.5 | 2008 | — |
| ASST Spedali Civili di Brescia PET centre cyclotron | ASST degli Spedali Civili di Brescia - U.O.C. Medicina Nucleare / Fisica Sanitaria | Brescia, Italy | Medical isotope | Operating | — | — | — |
| Austin Health cyclotron (IBA Cyclone 18/9) | Austin Health Centre for PET / Molecular Imaging and Therapy | Melbourne (Heidelberg), Australia | Medical isotope | Operating | 18 | — | — |
| Austin Hospital original PET cyclotron (IBA Cyclone 10/5) | Austin Health Centre for PET (Olivia Newton-John Centre precinct) | Melbourne (Heidelberg), Australia | Medical isotope | Decommissioned | 10 | 1992 | — |
| Azerbaijan Nuclear Medicine Centre cyclotron | Nuclear Medicine Centre (National Centre of Oncology), Baku | Baku, Azerbaijan | Medical isotope | Operating | — | 2016 | — |
| Berkeley 184-Inch Synchrocyclotron | Lawrence Berkeley National Laboratory (dome now houses the Advanced Light Source) | Berkeley, United States | Research | Partial remains | 730 | 1946 | By arrangement |
| Bern medical cyclotron (SWAN-Haus) | SWAN Isotopen AG / Inselspital / University of Bern (LHEP) | Bern, Switzerland | Medical isotope | Operating | 18 | 2013 | — |
| BetaPlus Pharma cyclotron (Brussels-Woluwe) | BetaPlus Pharma SA (UCLouvain Brussels health campus, adjacent to Cliniques universitaires Saint-Luc) | Woluwe-Saint-Lambert (Brussels), Belgium | Medical isotope | Operating | — | — | — |
| Biokosmos Lakkoma cyclotron | BIOKOSMOS S.A., Lakkoma unit (Halkidiki) | Lakkoma, Greece | Medical isotope | Operating | — | 2020 | — |
| Biokosmos Lavrio cyclotron | BIOKOSMOS S.A., Lavrio unit (company headquarters) | Lavrio, Greece | Medical isotope | Operating | — | 2000 | — |
| Birmingham MC40 Cyclotron | University of Birmingham | Birmingham, United Kingdom | Research | Operating | 40 | 2004 | — |
| Bonn Isochronous Cyclotron | Helmholtz-Institut fur Strahlen- und Kernphysik (HISKP), University of Bonn | Bonn, Germany | Research | Operating | 14 | 1968 | — |
| BV Cyclotron VU - Cyclotron 1 | BV Cyclotron VU, VU University campus / Amsterdam UMC Imaging Center | Amsterdam, Netherlands | Medical isotope | Operating | — | — | — |
| BV Cyclotron VU - Cyclotron 2 | BV Cyclotron VU, VU University campus / Amsterdam UMC Imaging Center | Amsterdam, Netherlands | Medical isotope | Operating | — | — | — |
| BV Cyclotron VU - Cyclotron 3 | BV Cyclotron VU, VU University campus / Amsterdam UMC Imaging Center | Amsterdam, Netherlands | Medical isotope | Operating | — | — | — |
| Carnegie Tech Synchrocyclotron (Nuclear Research Center) | Carnegie Institute of Technology (site now the Coherent Corp. campus, Saxonburg) | Saxonburg, United States | Research | Decommissioned | 440 | 1952 | — |
| CCHEN Cyclotron, CEN La Reina | Comisión Chilena de Energía Nuclear, Centro de Estudios Nucleares La Reina | Santiago (Las Condes), Chile | Medical isotope | Operating | — | — | — |
| Central High School Cyclotron | Central High School, Philadelphia | Philadelphia, United States | Amateur | Unknown | 1 | — | — |
| CERMEP - Imagerie du Vivant | CERMEP - Imagerie du Vivant (CNRS / INSERM / Universite Claude Bernard Lyon 1 / Hospices Civils de Lyon) | Bron, France | Medical isotope | Operating | 18 | — | — |
| CERN 600 MeV Synchrocyclotron (SC) | CERN (Synchrocyclotron exhibition, Meyrin site) | Meyrin, Switzerland | Research | Museum | 600 | 1957 | Public |
| Chalk River Superconducting Cyclotron (TASCC) | Chalk River Laboratories, AECL (now Canadian Nuclear Laboratories) | Chalk River, Canada | Research | Decommissioned | 520 | 1985 | — |
| Chandigarh Variable Energy Cyclotron | Department of Physics, Panjab University | Chandigarh, India | Research | Operating | 5 | 1977 | — |
| China's First Cyclotron (1.2 m Soviet-supplied cyclotron) | China Institute of Atomic Energy (CIAE) | Beijing (Xinzhen, Fangshan District), China | Research | Museum | 25 | 1958 | — |
| CHU de Liège cyclotron (IBA Cyclone KIUBE) | CHU de Liège, Sart Tilman site, Nuclear Medicine | Liège, Belgium | Medical isotope | Operating | 18 | 2024 | — |
| Ciclolab Dominicana Cyclotron | Ciclolab Dominicana SAS | Santo Domingo, Dominican Republic | Medical isotope | Operating | — | 2019 | — |
| Ciclotrón Colombia Cyclotron | Ciclotron Colombia S.A.S. | Medellín, Colombia | Medical isotope | Operating | — | 2010 | — |
| Ciclotron Peru Radiopharmacy | Ciclotron Peru S.A. (Grupo Auna / Grupo Resocentro) | Lima, Peru | Medical isotope | Operating | — | — | — |
| CIMS TR-19 Cyclotron | Centre d'imagerie moléculaire de Sherbrooke (CIMS), CRCHUS / CHUS Hôpital Fleurimont | Sherbrooke, Canada | Research | Operating | 19 | 1997 | — |
| CIMS TR-24 Cyclotron | Centre d'imagerie moléculaire de Sherbrooke (CIMS), CRCHUS / CHUS Hôpital Fleurimont | Sherbrooke, Canada | Research | Operating | 24 | — | — |
| CIRA Miami cardiac PET N-13 ammonia production site | Centers for Imaging and Research of America (CIRA Health), cyclotron operated with IONETIX | Miami, United States | Medical isotope | Operating | 12.5 | 2022 | — |
| CIRC academic cyclotron | Clinical Imaging Research Centre, Yong Loo Lin School of Medicine, National University of Singapore | Singapore, Singapore | Research | Operating | 16.5 | — | — |
| Collège de France Cyclotron (Frédéric Joliot) | Musée des Arts et Métiers, Paris (originally Laboratoire de Chimie nucléaire, Collège de France) | Paris, France | Research | Museum | 7 | 1939 | Public |
| COLUMBUS School Cyclotron | Gymnasium Ernestinum Coburg / Coburg University of Applied Sciences | Coburg, Germany | Teaching | Operating | 0.048 | 2013 | By arrangement |
| Continental Hospital (formerly United Hospital) Dhaka cyclotron | Continental Hospital PLC (formerly United Hospital Limited) | Dhaka, Bangladesh | Medical isotope | Unknown | 9.6 | 2011 | — |
| Crocker 60-Inch Cyclotron | Crocker Nuclear Laboratory, University of California, Davis | Davis, United States | Research | Partial remains | 16 | 1939 | By arrangement |
| Curium Finland PET pharmacy cyclotron (Saukonpaadenranta) | Curium Finland Oy (formerly MAP Medical Technologies Oy), Saukonpaadenranta 2, Helsinki | Helsinki, Finland | Medical isotope | Operating | — | — | — |
| CYCIAE-100 | China Institute of Atomic Energy (CIAE) | Beijing (Fangshan District), China | Research | Operating | 100 | 2014 | — |
| Cyclotek Bundoora cyclotron 1 | Cyclotek (Aust) Pty Ltd | Melbourne (Bundoora), Australia | Medical isotope | Operating | — | 2002 | — |
| Cyclotek Bundoora cyclotron 2 | Cyclotek (Aust) Pty Ltd | Melbourne (Bundoora), Australia | Medical isotope | Operating | — | 2006 | — |
| Cyclotek NSW cyclotron, Macquarie University Hospital | Cyclotek NSW / Macquarie University Hospital | Sydney (Macquarie Park), Australia | Medical isotope | Operating | — | 2010 | — |
| Cyclotek NSW Lucas Heights cyclotron 1 (Siemens Eclipse) | Cyclotek NSW Pty Ltd | Sydney (Lucas Heights), Australia | Medical isotope | Operating | 11 | 2009 | — |
| Cyclotek NSW Lucas Heights cyclotron 2 (Siemens Eclipse) | Cyclotek NSW Pty Ltd | Sydney (Lucas Heights), Australia | Medical isotope | Operating | 11 | 2009 | — |
| Cyclotek Parkville cyclotron (VCCC) | Cyclotek / Victorian Comprehensive Cancer Centre | Melbourne (Parkville), Australia | Medical isotope | Operating | — | — | — |
| Cyclotek Queensland cyclotron (GE PETtrace) | Cyclotek Queensland Pty Ltd / Princess Alexandra Hospital precinct | Brisbane (Woolloongabba), Australia | Medical isotope | Operating | 16.5 | 2016 | — |
| Cyclotron and Radiochemistry Laboratory (CARL) | King's College London, School of Biomedical Engineering & Imaging Sciences, St Thomas' Hospital | London, United Kingdom | Research | Operating | 11 | 1991 | — |
| Cyclotron Kids 2 MeV Proton Cyclotron | Old Dominion University (built at Jefferson Lab) | Norfolk, United States | Amateur | Mothballed | 2 | — | — |
| CYRIC 930 AVF Cyclotron | Cyclotron and Radioisotope Center (CYRIC), Tohoku University (now RARIS Aobayama site) | Sendai, Japan | Research | Operating | 90 | 2000 | By arrangement |
| DC-280 Cyclotron (Superheavy Element Factory) | Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research (JINR) | Dubna, Russia | Research | Operating | 8 | 2018 | By arrangement |
| Dharmais Cancer Hospital cyclotron | Dharmais Cancer Hospital (Rumah Sakit Kanker Dharmais), National Cancer Centre | Jakarta, Indonesia | Medical isotope | Operating | — | — | — |
| Doctors Hospital Cyclotron | Doctors Hospital, Monterrey | Monterrey, Mexico | Medical isotope | Operating | — | — | — |
| Douglas Cyclotron, National Centre for Eye Proton Therapy | The Clatterbridge Cancer Centre NHS Foundation Trust | Bebington, United Kingdom | Proton therapy | Operating | 62 | 1984 | — |
| Eczacıbaşı-Monrol Adana Cyclotron | Eczacıbaşı-Monrol Nükleer Ürünler San. ve Tic. A.Ş., Adana facility | Adana, Turkey | Medical isotope | Operating | — | 2007 | — |
| Eczacıbaşı-Monrol Gebze Cyclotron 1 (original machine) | Eczacıbaşı-Monrol Nükleer Ürünler San. ve Tic. A.Ş., Gebze facility, TÜBİTAK MAM Teknopark | Gebze, Turkey | Medical isotope | Decommissioned | — | 2000 | — |
| Eczacıbaşı-Monrol Gebze Cyclotron 2 (2018 replacement) | Eczacıbaşı-Monrol Nükleer Ürünler San. ve Tic. A.Ş., Gebze theranostic facility, TÜBİTAK MAM Teknopark | Gebze, Turkey | Medical isotope | Operating | — | 2018 | — |
| Eczacıbaşı-Monrol İstanbul Cyclotron | Eczacıbaşı-Monrol Nükleer Ürünler San. ve Tic. A.Ş., İstanbul facility, Yıldız Technical University Davutpaşa Technopark | Istanbul, Turkey | Medical isotope | Operating | — | 2011 | — |
| Eczacıbaşı-Monrol İzmir Cyclotron | Eczacıbaşı-Monrol Nükleer Ürünler San. ve Tic. A.Ş., İzmir facility, Atatürk Organised Industrial Zone | Izmir, Turkey | Medical isotope | Operating | — | 2009 | — |
| Edinburgh Imaging Facility Radiochemistry cyclotron | University of Edinburgh, Queen's Medical Research Institute | Edinburgh, United Kingdom | Research | Operating | 16.5 | 2010 | — |
| El Cerrito High School Cyclotron | El Cerrito High School | El Cerrito, United States | Amateur | Unknown | — | — | — |
| ETH Zurich Cyclotron | Physical Institute, ETH Zurich (Paul Scherrer's group) | Zurich, Switzerland | Research | Decommissioned | 15 | 1940 | — |
| Ezeiza CP-42 Production Cyclotron | Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Ezeiza | Ezeiza, Argentina | Medical isotope | Operating | 42 | 1994 | — |
| FCDN PET cyclotron | Fundacion Centro Diagnostico Nuclear (CNEA/FUESMEN) | Buenos Aires, Argentina | Medical isotope | Operating | — | — | — |
| First Affiliated Hospital of Henan UST Cyclotron | The First Affiliated Hospital of Henan University of Science and Technology | Luoyang, China | Medical isotope | Unknown | — | — | — |
| First German Cyclotron (Bothe/Gentner, Heidelberg) | Deutsches Museum, Munich (originally Kaiser Wilhelm Institute for Medical Research, Heidelberg) | Munich, Germany | Research | Museum | — | 1943 | Public |
| Fixed-frequency Ring Cyclotron (fRC) | RIKEN Nishina Center, RI Beam Factory (RIBF) | Wako, Japan | Research | Operating | 50.7 | 2006 | By arrangement |
| Fleni Centro de Imagenes Moleculares cyclotron | Fleni - Centro de Imagenes Moleculares (CIM), sede Escobar | Belen de Escobar, Argentina | Medical isotope | Operating | 16 | — | — |
| Francis H. Burr Proton Therapy Center | Massachusetts General Hospital | Boston, United States | Proton therapy | Operating | 230 | 2001 | — |
| Fred Niell High-School Cyclotron | private build | Memphis, United States | Amateur | Decommissioned | — | 1994 | — |
| FUESMEN PET-Cyclotron centre | Fundacion Escuela de Medicina Nuclear (FUESMEN) - CNEA / Gobierno de Mendoza / Universidad Nacional de Cuyo | Mendoza, Argentina | Medical isotope | Operating | 11 | — | — |
| Gachon Neuroscience Research Institute Cyclotron | Gachon University Neuroscience Research Institute / Gachon University Gil Hospital | Incheon, South Korea | Research | Operating | — | — | — |
| Gading Pluit Hospital cyclotron | Gading Pluit Hospital (Rumah Sakit Gading Pluit) Cyclotron and PET-CT Center | Jakarta, Indonesia | Medical isotope | Operating | — | 2008 | — |
| GANIL CSS1+CSS2 Coupled Cyclotrons | GANIL (Grand Accélérateur National d'Ions Lourds), CEA/CNRS | Caen, France | Research | Operating | 95 | 1982 | By arrangement |
| German Cancer Research Center (DKFZ) Cyclotron | Deutsches Krebsforschungszentrum (DKFZ) | Heidelberg, Germany | Research | Unknown | 32 | — | — |
| GMS Taiwan Taichung Cyclotron | Global Medical Solutions Taiwan Ltd. (臺灣新吉美碩) Taichung production centre | Taichung, Taiwan | Medical isotope | Operating | 18 | 2018 | — |
| Gustaf Werner Cyclotron | The Svedberg Laboratory, Uppsala University | Uppsala, Sweden | Research | Decommissioned | 185 | 1951 | — |
| Hadassah Ein Kerem cyclotron 1 | Hadassah Medical Organization, Ein Kerem - cyclotron and radiochemistry unit (operated by S.R.Y Medical Services Ltd.) | Jerusalem, Israel | Medical isotope | Operating | 18 | 1996 | — |
| Hadassah Ein Kerem cyclotron 2 | Hadassah Medical Organization, Ein Kerem - cyclotron and radiochemistry unit (operated by S.R.Y Medical Services Ltd.) | Jerusalem, Israel | Medical isotope | Operating | 18 | 2010 | — |
| Hallym University Sacred Heart Hospital Cyclotron | Hallym University Sacred Heart Hospital (Hallym University Medical Center) | Anyang, South Korea | Medical isotope | Operating | 18 | 2007 | — |
| Harvard Cyclotron at Los Alamos (X Building, TA-1) | Los Alamos National Laboratory site (built and originally operated by Harvard University) | Los Alamos, United States | Research | Decommissioned | 12 | 1938 | — |
| Harvard Cyclotron Laboratory Synchrocyclotron | Harvard University (control console at the Collection of Historical Scientific Instruments) | Cambridge, United States | Research | Partial remains | 160 | 1949 | Public |
| Harwell 110-inch Synchrocyclotron | Atomic Energy Research Establishment (AERE) Harwell | Harwell, United Kingdom | Research | Decommissioned | 175 | 1949 | — |
| HIRFL Sector Focusing Cyclotron (SFC) | Institute of Modern Physics, Chinese Academy of Sciences | Lanzhou, China | Research | Operating | 10 | 1987 | — |
| HIRFL Separated Sector Cyclotron (SSC) | Institute of Modern Physics, Chinese Academy of Sciences | Lanzhou, China | Research | Operating | 125 | 1988 | — |
| HIT SESRI Proton Cyclotron | Space Environment Simulation Research Infrastructure (SESRI), Harbin Institute of Technology | Harbin, China | Research | Operating | 10 | — | — |
| HKU Molecular Imaging and Medical Cyclotron Centre | Department of Diagnostic Radiology, LKS Faculty of Medicine, University of Hong Kong | Hong Kong, China | Medical isotope | Operating | 12 | — | — |
| Hopital Chahids Mahmoudi cyclotron | Hopital Chahids Mahmoudi (EHP Chahid Mahmoudi), Tizi Ouzou | Tizi Ouzou, Algeria | Medical isotope | Operating | 16.5 | 2016 | — |
| Hôpital Erasme cyclotron (IBA Cyclone 30) | Hôpital Erasme, Université Libre de Bruxelles (now Hôpital Universitaire de Bruxelles) | Anderlecht (Brussels), Belgium | Medical isotope | Operating | 30 | — | — |
| Houghton College Cyclotron | Houghton University (formerly Houghton College) | Houghton, United States | Teaching | Operating | 0.411 | 2007 | — |
| Hulunbuir People's Hospital Cyclotron | Hulunbuir People's Hospital | Hulunbuir (Hailar), China | Medical isotope | Unknown | — | — | — |
| HZDR Center for Radiopharmaceutical Tumor Research (TR-FLEX) | Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research | Dresden, Germany | Medical isotope | Operating | 30 | 2017 | — |
| HZDR Research Site Leipzig Cyclotron | Helmholtz-Zentrum Dresden-Rossendorf, Research Site Leipzig (Reactive Transport Department) | Leipzig, Germany | Research | Operating | 18 | — | — |
| IBA Cyclone 230 (Centre de Protontherapie d'Orsay) | Institut Curie - Centre de Protontherapie d'Orsay (ICPO) | Orsay, France | Proton therapy | Operating | 230 | 2010 | — |
| ICNAS Cyclone 18/9 | Instituto de Ciencias Nucleares Aplicadas a Saude (ICNAS), Universidade de Coimbra | Coimbra, Portugal | Medical isotope | Operating | 18 | 2009 | — |
| ICNAS Cyclone KIUBE (variable energy) | Instituto de Ciencias Nucleares Aplicadas a Saude (ICNAS), Universidade de Coimbra | Coimbra, Portugal | Medical isotope | Operating | 18 | 2019 | — |
| IEN CV-28 Cyclotron | Instituto de Engenharia Nuclear (IEN/CNEN) | Rio de Janeiro, Brazil | Medical isotope | Operating | 24 | 1974 | — |
| IKO Philips Synchrocyclotron | Instituut voor Kernphysisch Onderzoek (IKO) | Amsterdam, Netherlands | Research | Decommissioned | 26.5 | 1949 | — |
| INCART Cyclotron-Radiopharmacy Centre (IBA Cyclone 18 Twin) | Instituto Nacional del Cáncer Rosa Emilia Sánchez Pérez de Tavares (INCART) | Santo Domingo, Dominican Republic | Medical isotope | Operating | 18 | — | — |
| India's First Cyclotron (Meghnad Saha's 38-inch cyclotron) | University of Calcutta, Rajabazar Science College (original operator: Institute of Nuclear Physics, now Saha Institute of Nuclear Physics) | Kolkata, India | Research | Partial remains | — | 1954 | — |
| Indiana University Cyclotron Facility (IUCF) Separated-Sector Cyclotron | Indiana University, Center for Exploration of Energy and Matter (former IUCF building, now MESH) | Bloomington, United States | Research | Partial remains | 200 | 1976 | Public |
| INER TR30/15 Cyclotron | Institute of Nuclear Energy Research (now National Atomic Research Institute) | Longtan, Taoyuan, Taiwan | Medical isotope | Operating | 30 | 1993 | — |
| INP Cyclone-30 | Institute of Nuclear Physics, Ministry of Energy of the Republic of Kazakhstan | Almaty, Kazakhstan | Medical isotope | Operating | 30 | 2016 | — |
| INS SF Cyclotron (176 cm) | Institute for Nuclear Study, University of Tokyo (later KEK Tanashi / CNS) | Nishitokyo (Tanashi), Japan | Research | Decommissioned | 48 | 1974 | — |
| Inshas MGC-20 Cyclotron | Nuclear Research Centre, Egyptian Atomic Energy Authority (EAEA) | Inshas, Egypt | Medical isotope | Operating | 18 | 2001 | — |
| Instituto Oulton Cyclone KIUBE | Instituto Oulton, Centro de Medicina Biomolecular, Cordoba | Cordoba, Argentina | Medical isotope | Operating | 18 | — | — |
| INTECNUS Bariloche cyclotron | Instituto de Tecnologias Nucleares para la Salud (INTECNUS) / Comision Nacional de Energia Atomica | San Carlos de Bariloche, Argentina | Medical isotope | Under construction | — | — | — |
| Intermediate-stage Ring Cyclotron (IRC) | RIKEN Nishina Center, RI Beam Factory (RIBF) | Wako, Japan | Research | Operating | 127 | 2006 | By arrangement |
| IPEN CV-28 Cyclotron | Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN/SP) | São Paulo, Brazil | Medical isotope | Unknown | 24 | 1981 | — |
| IRE Fleurus cyclotron (IBA Cyclone IKON) | Institut National des Radioelements (IRE) / IRE ELiT | Fleurus, Belgium | Medical isotope | Under construction | 30 | — | — |
| iThemba LABS 11 MeV PET cyclotron | NRF iThemba LABS | Cape Town (Faure), South Africa | Medical isotope | Operating | 11 | — | By arrangement |
| iThemba LABS Separated Sector Cyclotron | iThemba LABS (NRF), formerly National Accelerator Centre | Faure, South Africa | Research | Operating | 200 | 1986 | By arrangement |
| Jiangsu Institute of Nuclear Medicine Cyclotron | Jiangsu Institute of Nuclear Medicine (JSINM) | Wuxi, China | Research | Unknown | — | — | — |
| JINR Phasotron (680 MeV Synchrocyclotron) | Dzhelepov Laboratory of Nuclear Problems, Joint Institute for Nuclear Research (JINR) | Dubna, Russia | Research | Decommissioned | 660 | 1949 | — |
| Johns Hopkins PET Center cyclotron | Johns Hopkins University School of Medicine, Division of Nuclear Medicine and Molecular Imaging | Baltimore, United States | Medical isotope | Operating | — | — | — |
| JULIC (Jülich Light Ion Cyclotron) | Institut für Kernphysik, Forschungszentrum Jülich | Jülich, Germany | Research | Operating | 45 | 1968 | — |
| K130 Cyclotron | Accelerator Laboratory, University of Jyväskylä (JYFL-ACCLAB) | Jyväskylä, Finland | Research | Operating | 90 | 1992 | — |
| K150 (88-Inch) Cyclotron | Cyclotron Institute, Texas A&M University | College Station, United States | Research | Operating | 45 | 1967 | By arrangement |
| K500 Superconducting Cyclotron | Cyclotron Institute, Texas A&M University | College Station, United States | Research | Operating | 70 | 1988 | By arrangement |
| K800 Superconducting Cyclotron | INFN Laboratori Nazionali del Sud (LNS) | Catania, Italy | Research | Under construction | 80 | 1994 | By arrangement |
| Karaj Cyclone-30 | Nuclear Research Centre for Agriculture and Medicine (NRCAM), Atomic Energy Organization of Iran | Karaj, Iran | Medical isotope | Operating | 30 | 1995 | — |
| Karlsruhe Isochronous Cyclotron (KIZ) | Kernforschungszentrum Karlsruhe (later Forschungszentrum Karlsruhe, now KIT Campus North) | Eggenstein-Leopoldshafen, Germany | Research | Decommissioned | 26 | — | — |
| Karlsruher Kompaktzyklotron (KAZ) | ZAG Zyklotron AG (Life Radiopharma f-con GmbH), KIT Campus Nord | Eggenstein-Leopoldshafen, Germany | Medical isotope | Operating | 40 | — | — |
| Karlsruher Minizyklotron (MIZ) | ZAG Zyklotron AG (Life Radiopharma f-con GmbH), KIT Campus Nord | Eggenstein-Leopoldshafen, Germany | Medical isotope | Operating | 18 | — | — |
| KHealth Corporation cyclotron (NKTI) | KHealth Corporation / National Kidney and Transplant Institute | Quezon City, Philippines | Medical isotope | Operating | 16.5 | — | — |
| Knox College Cyclotron | Knox College | Galesburg, United States | Amateur | Mothballed | — | — | — |
| Kyoto ICR 41-inch Cyclotron | Institute for Chemical Research, Kyoto University | Uji, Japan | Research | Museum | 14 | 1955 | — |
| Kyoto University 39-inch Cyclotron | Kyoto Imperial University (Kyoto University) | Kyoto, Japan | Research | Decommissioned | — | — | — |
| Laboratorios Bacon PET cyclotron | Laboratorios Bacon S.A.I.C. | Villa Martelli (Vicente Lopez), Argentina | Medical isotope | Operating | — | 2009 | — |
| Lantheus North Billerica cyclotron isotope production | Lantheus Medical Imaging, Inc. | North Billerica, United States | Medical isotope | Decommissioned | — | — | — |
| Lawrence 11-Inch Cyclotron | Lawrence Berkeley National Laboratory (Building 50 lobby display) | Berkeley, United States | Research | Museum | 1.22 | 1932 | By arrangement |
| Lawrence 37-Inch Cyclotron | Lawrence Hall of Science, University of California, Berkeley | Berkeley, United States | Research | Museum | 8 | 1937 | Public |
| Lawrence First Operating Cyclotron (4.5-inch) | Smithsonian National Museum of American History | Washington, United States | Research | Museum | 0.08 | 1931 | Public |
| Liverpool 37-inch Cyclotron (James Chadwick) | National Museums Liverpool (originally University of Liverpool) | Liverpool, United Kingdom | Research | Partial remains | — | 1939 | — |
| Liverpool Hospital Molecular Science Cyclotron Facility | Liverpool Hospital, South Western Sydney Local Health District | Sydney (Liverpool), Australia | Medical isotope | Operating | — | 2017 | — |
| M-1 Cyclotron of Laboratory No. 2 | NRC Kurchatov Institute (Laboratory No. 2 of the USSR Academy of Sciences) | Moscow, Russia | Research | Decommissioned | 4 | 1944 | — |
| M2i / Curium Blackrock PETtrace cyclotron | M2i Limited (Curium Pharma Ireland), Blackrock Clinic | Dublin, Ireland | Medical isotope | Operating | 16.5 | 2001 | — |
| MC-50 Cyclotron | Korea Institute of Radiological and Medical Sciences (KIRAMS) | Seoul, South Korea | Research | Operating | 50 | 1986 | — |
| MCC30/15 Cyclotron | Accelerator Laboratory, University of Jyväskylä (JYFL-ACCLAB) | Jyväskylä, Finland | Research | Operating | 30 | 2009 | — |
| McGill Synchrocyclotron (Foster Radiation Laboratory) | McGill University (former Foster Radiation Laboratory, structure retained within the M.H. Wong Building) | Montreal, Canada | Research | Decommissioned | 100 | 1949 | — |
| Medicheck Radiopharmaceutical Production Facility | Medicheck Nukleer Urunler Sanayi ve Ticaret A.S. (SintiAS Group) | Silivri, Istanbul, Turkey | Medical isotope | Operating | 16.5 | — | — |
| Medicheck Silivri Cyclotron 1 (PETtrace 890) | Medicheck Nükleer Ürünler Sanayi ve Ticaret A.Ş., Silivri plant | Istanbul, Turkey | Medical isotope | Operating | — | — | — |
| Medicheck Silivri Cyclotron 3 (PETtrace 890) | Medicheck Nükleer Ürünler Sanayi ve Ticaret A.Ş., Silivri plant | Istanbul, Turkey | Medical isotope | Operating | — | — | — |
| Medicopus PET Centre cyclotron | Medicopus Nonprofit Ltd. (Somogy County Kaposi Mor Teaching Hospital PET Centre) | Kaposvar, Hungary | Medical isotope | Operating | 11 | 2014 | — |
| Meizhou People's Hospital Cyclotron | Meizhou People's Hospital | Meizhou, China | Medical isotope | Operating | — | — | — |
| Melbourne University Variable Energy Cyclotron (MUVEC) | School of Physics, University of Melbourne | Melbourne (Parkville), Australia | Research | Decommissioned | 12 | 1959 | — |
| MGC-20E Cyclotron | HUN-REN Institute for Nuclear Research (ATOMKI) | Debrecen, Hungary | Research | Operating | 18 | 1985 | — |
| Mianyang Central Hospital Cyclotron | Mianyang Central Hospital | Mianyang, China | Medical isotope | Unknown | — | — | — |
| Mianyang Sanjiang Hospital Cyclotron | Mianyang Sanjiang Hospital | Mianyang, China | Medical isotope | Unknown | — | — | — |
| Milan AVF Cyclotron | Istituto di Scienze Fisiche, University of Milan and INFN Sezione di Milano | Milan, Italy | Research | Decommissioned | 45 | 1965 | — |
| MIT Markle Cyclotron (Building 44) | Massachusetts Institute of Technology (machine gone; time capsule at the MIT Museum) | Cambridge, United States | Research | Decommissioned | — | 1939 | — |
| MIT Student Cyclotron (Dewan Thesis) | Massachusetts Institute of Technology | Cambridge, United States | Amateur | Unknown | 2 | — | — |
| Monrol Bulgaria Cyclotron (IBA Cyclone 18/9) | Monrol Bulgaria EOOD (renamed Curium Bulgaria in 2025), part of Eczacıbaşı-Monrol / Curium | Sofia, Bulgaria | Medical isotope | Operating | 18 | 2015 | — |
| Monrol Europe Pantelimon cyclotron | Monrol Europe S.R.L. (Curium) | Pantelimon, Romania | Medical isotope | Operating | 18 | — | — |
| Monrol-UAE PET radiopharmaceutical plant | Monrol UAE LLC (Eczacibasi-Monrol), operated under agreement with Unimed | Dubai, United Arab Emirates | Medical isotope | Operating | — | 2008 | — |
| MSU K1200 Superconducting Cyclotron | Facility for Rare Isotope Beams (FRIB), Michigan State University | East Lansing, United States | Research | Decommissioned | 1200 | 1988 | — |
| MSU K500 Superconducting Cyclotron | Facility for Rare Isotope Beams (FRIB), Michigan State University | East Lansing, United States | Research | Operating | 500 | 1982 | By arrangement |
| Mullins Cyclotron | private build | Harrisonburg, United States | Amateur | Operating | 0.164 | — | — |
| N.N. Alexandrov National Cancer Centre PET cyclotron (IBA Cyclone 18/9) | N.N. Alexandrov National Cancer Centre of Belarus (Republican PET Centre) | Lesnoy, Belarus | Medical isotope | Operating | 18 | 2015 | — |
| Nancyclotep - Plateforme d'imagerie moléculaire | GIE Nancyclotep (CHRU de Nancy / Université de Lorraine / Posifit) | Vandœuvre-lès-Nancy, France | Medical isotope | Operating | 12 | 2022 | — |
| National Cancer Center Proton Therapy Center | National Cancer Center Korea | Goyang (Ilsan), South Korea | Proton therapy | Operating | 230 | 2007 | — |
| National Cancer Institute Malaysia Cyclotron | National Cancer Institute (Institut Kanser Negara), Ministry of Health Malaysia | Putrajaya, Malaysia | Medical isotope | Operating | 16.5 | — | — |
| National Medical Cyclotron | ANSTO (at Royal Prince Alfred Hospital campus) | Camperdown (Sydney), Australia | Medical isotope | Decommissioned | 30 | 1991 | — |
| Nevis Synchrocyclotron | Columbia University, Nevis Laboratories | Irvington, United States | Research | Decommissioned | 385 | 1950 | — |
| Niels Bohr Institute Cyclotron | Danmarks Tekniske Museum, Helsingør (originally Institute for Theoretical Physics / Niels Bohr Institute, Copenhagen) | Helsingør, Denmark | Research | Partial remains | — | 1938 | Public |
| NINMAS Dhaka cyclotron (IBA Cyclone 18/9) | National Institute of Nuclear Medicine and Allied Sciences (NINMAS), Bangladesh Atomic Energy Commission | Dhaka, Bangladesh | Medical isotope | Operating | 18 | 2021 | — |
| NIRS-930 Cyclotron | QST Institute for Quantum Medical Sciences (formerly National Institute of Radiological Sciences, NIRS) | Chiba, Japan | Research | Mothballed | 90 | 1974 | By arrangement |
| Nobel Institute for Physics 80 cm Cyclotron | Research Institute for Experimental Physics (Nobel Institute for Physics), Royal Swedish Academy of Sciences; later Manne Siegbahn Institute | Stockholm, Sweden | Research | Decommissioned | 7 | 1939 | — |
| NPI Řež TR-24 Cyclotron | Nuclear Physics Institute of the Czech Academy of Sciences (ÚJF AV ČR), CANAM Laboratory of Cyclotrons and Fast Neutron Generators | Husinec-Řež, Czech Republic | Research | Operating | 24 | 2015 | — |
| Nuffield Cyclotron | University of Birmingham | Birmingham, United Kingdom | Research | Decommissioned | 10 | 1948 | — |
| Oak Ridge 86-Inch Cyclotron | Oak Ridge National Laboratory (machine located at the Y-12 Plant, Building 9201-2) | Oak Ridge, United States | Research | Decommissioned | 22 | 1950 | — |
| Oak Ridge Isochronous Cyclotron (ORIC) | Oak Ridge National Laboratory | Oak Ridge, United States | Research | Decommissioned | 75 | 1962 | — |
| Orsay Synchrocyclotron | Institut de Physique Nucleaire d'Orsay (IPNO), later Centre de Protontherapie d'Orsay (Institut Curie) | Orsay, France | Research | Decommissioned | 200 | 1958 | — |
| Oryx Isotopes cyclotron | Oryx Isotopes Company (Abdullah Fouad Group / AlMoosa Specialist Hospital) | Dammam, Saudi Arabia | Medical isotope | Operating | — | — | — |
| Osaka University 24-inch Cyclotron | Osaka Imperial University (Osaka University) | Osaka, Japan | Research | Decommissioned | 5 | 1938 | — |
| Oslo Cyclotron Laboratory (MC-35) | Department of Physics, University of Oslo | Oslo, Norway | Research | Operating | 35 | 1979 | — |
| PERL (Positron Emitting Radiopharmaceutical Laboratory) cyclotron | King's College London & Guy's and St Thomas' PET Centre, St Thomas' Hospital | London, United Kingdom | Medical isotope | Operating | 16.5 | 2020 | — |
| PET Labs Pharmaceuticals cyclotron | PET Labs Pharmaceuticals (Pty) Ltd | Pretoria (Irene, Centurion), South Africa | Medical isotope | Operating | — | — | — |
| PositronPharma Cyclotron | PositronPharma S.A. | Santiago (Providencia), Chile | Medical isotope | Operating | 18 | — | — |
| Pretoria CSIR Cyclotron | National Physical Laboratory, Council for Scientific and Industrial Research (CSIR) | Pretoria, South Africa | Research | Decommissioned | 16 | 1956 | — |
| Princeton 35-Inch Cyclotron | Princeton University, Jadwin Hall (originally Palmer Physical Laboratory) | Princeton, United States | Research | Partial remains | 18 | 1936 | — |
| Proton Therapy Center Czech | Proton Therapy Center Czech s.r.o. (with Na Bulovce hospital campus) | Prague, Czech Republic | Proton therapy | Operating | 230 | 2012 | — |
| PSI Center for Proton Therapy (COMET cyclotron) | Paul Scherrer Institute (PSI) | Villigen, Switzerland | Proton therapy | Operating | 250 | 2005 | By arrangement |
| PSI Injector II | Paul Scherrer Institute (PSI) | Villigen, Switzerland | Research | Operating | 72 | 1984 | Public |
| PSI Ring Cyclotron | Paul Scherrer Institute (PSI) | Villigen, Switzerland | Research | Operating | 590 | 1974 | Public |
| Pu'er People's Hospital Cyclotron | Pu'er People's Hospital | Pu'er, China | Medical isotope | Operating | — | 2025 | — |
| R2 Soluções em Radiofarmácia Cyclotron (Rio de Janeiro unit) | R2 Soluções em Radiofarmácia Ltda / R2 Pharma | Duque de Caxias, Brazil | Medical isotope | Operating | 16.5 | 2020 | — |
| Radio Pharma Egypt (RPE) cyclotron | Radio Pharma Egypt (RPE) - joint venture of Femto Egypt, Eczacibasi-Monrol and Alfa Scan | 6th of October City, Egypt | Medical isotope | Operating | — | — | — |
| Radiofarmacia de Centroamerica Cyclotron | Radiofarmacia de Centroamerica S.A., Ciudad del Saber | Panama City, Panama | Medical isotope | Operating | — | — | — |
| Radiopharmaceutical Research Centre TR-19 | Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH) | Magurele, Romania | Medical isotope | Operating | 19 | 2013 | — |
| Radiopharmaceuticals Production and Research Centre cyclotron | Heavy Ion Laboratory (Srodowiskowe Laboratorium Ciezkich Jonow), University of Warsaw | Warsaw, Poland | Medical isotope | Operating | 16.5 | 2012 | — |
| Radium Institute Cyclotron (first cyclotron in Europe) | Museum of the V.G. Khlopin Radium Institute, St. Petersburg | Saint Petersburg, Russia | Research | Museum | 4 | 1937 | By arrangement |
| Rang Dong Medical cyclotron, Hanoi | Cong ty Co phan Y hoc Rang Dong (Rang Dong Medical Joint Stock Company) | Hanoi, Vietnam | Medical isotope | Operating | — | 2009 | — |
| Razavi Hospital cyclotron | Razavi Hospital (Razavi Specialty and Subspecialty Hospital), Astan Quds Razavi | Mashhad, Iran | Medical isotope | Operating | — | 2016 | — |
| RCNP AVF Cyclotron | Research Center for Nuclear Physics (RCNP), Osaka University | Ibaraki, Japan | Research | Operating | 65 | 1973 | By arrangement |
| RCNP Ring Cyclotron | Research Center for Nuclear Physics (RCNP), Osaka University | Ibaraki, Japan | Research | Operating | 400 | 1991 | By arrangement |
| RIKEN AVF Cyclotron | RIKEN Nishina Center, RI Beam Factory (RIBF) | Wako, Japan | Research | Operating | 14.5 | 1989 | By arrangement |
| RIKEN Nishina Cyclotrons (26-inch and 60-inch) | RIKEN (former Komagome campus site, now Bunkyo Green Court / Japan Radioisotope Association) | Tokyo (Bunkyo-ku, Honkomagome), Japan | Research | Decommissioned | — | 1937 | — |
| RIKEN No. 3 Cyclotron (Japan's first postwar cyclotron) | National Museum of Nature and Science, Tokyo | Tokyo (Ueno, Taito-ku), Japan | Research | Museum | 4 | 1952 | — |
| RIKEN Ring Cyclotron (RRC) | RIKEN Nishina Center, RI Beam Factory (RIBF) | Wako, Japan | Research | Operating | 135 | 1986 | By arrangement |
| Rinecker Proton Therapy Center (RPTC) | ProHealth AG / Rinecker | Munich, Germany | Proton therapy | Decommissioned | 250 | 2009 | — |
| Roberts Proton Therapy Center | University of Pennsylvania / Penn Medicine | Philadelphia, United States | Proton therapy | Operating | 230 | 2010 | — |
| Rossendorf Cyclotron U-120 | Zentralinstitut fur Kernforschung (ZfK) Rossendorf, later Forschungszentrum Rossendorf (now HZDR) | Dresden, Germany | Research | Decommissioned | 13 | 1958 | — |
| Royal Prince Alfred Hospital cyclotron (GE PETtrace) | Department of PET and Nuclear Medicine, Royal Prince Alfred Hospital (Sydney LHD) | Sydney (Camperdown), Australia | Medical isotope | Operating | 16.5 | 2002 | — |
| RÜAG Cyclotron Centre, Ankara University Cebeci Hospital | Ankara University Faculty of Medicine, Cebeci Hospital – RÜAG radiopharmaceutical facility (operated with Eczacıbaşı-Monrol) | Ankara, Turkey | Medical isotope | Operating | 16 | 2012 | — |
| Ruđer Medikol Ciklotron (IBA Cyclone 18/9) | Ruđer Medikol Ciklotron d.o.o., on the Ruđer Bošković Institute campus | Zagreb, Croatia | Medical isotope | Operating | 18 | 2010 | — |
| Rutgers 12-Inch Cyclotron | University of Maryland (built at Rutgers University) | College Park, United States | Teaching | Operating | 1.2 | 1999 | — |
| SAHMRI cyclotron (GE PETtrace) | Molecular Imaging and Therapy Research Unit (MITRU), South Australian Health and Medical Research Institute | Adelaide, Australia | Medical isotope | Operating | 16.5 | 2014 | — |
| Samsung Proton Therapy Center | Samsung Medical Center | Seoul, South Korea | Proton therapy | Operating | 230 | 2015 | — |
| SARA (Systeme Accelerateur Rhone-Alpes) | Institut des Sciences Nucleaires (ISN) Grenoble, now LPSC (CNRS/IN2P3 - Universite Grenoble Alpes) | Grenoble, France | Research | Decommissioned | 30 | 1967 | — |
| SC-1000 Synchrocyclotron | B.P. Konstantinov Petersburg Nuclear Physics Institute (PNPI), NRC Kurchatov Institute | Gatchina, Russia | Research | Operating | 1000 | 1970 | — |
| Sichuan Science City Hospital Cyclotron | Sichuan Science City Hospital | Mianyang, China | Medical isotope | Operating | 11 | 2021 | — |
| Singapore Radiopharmaceuticals cyclotron | Singapore Radiopharmaceuticals Pte Ltd (RadLink Group) | Singapore, Singapore | Medical isotope | Operating | 16.5 | 2008 | — |
| Sir Charles Gairdner Hospital RAPID cyclotron (IBA Cyclone 18 Twin) | Radiopharmaceutical Production and Development (RAPID) Laboratories, Sir Charles Gairdner Hospital | Perth (Nedlands), Australia | Medical isotope | Operating | 18 | 2003 | — |
| Skandionkliniken (The Skandion Clinic) | Kommunalförbundet Avancerad Strålbehandling (Swedish university healthcare regions) | Uppsala, Sweden | Proton therapy | Operating | 230 | 2015 | — |
| South African Isotope Facility Cyclone 70 | NRF iThemba LABS | Cape Town (Faure), South Africa | Medical isotope | Operating | 70 | 2023 | By arrangement |
| Sparkle Casarano radiopharmaceutical cyclotron | Sparkle S.r.l. | Casarano, Italy | Medical isotope | Mothballed | — | — | — |
| St. Luke's Medical Center Quezon City PET cyclotron | St. Luke's Medical Center - Quezon City | Quezon City, Philippines | Medical isotope | Operating | — | — | — |
| St. Marina University Hospital Cyclotron (ABT BG-75) | UMBAL "Sveta Marina" - Varna (St. Marina University Multiprofile Hospital for Active Treatment) | Varna, Bulgaria | Medical isotope | Operating | 7.5 | 2013 | — |
| Stockholm 225 cm Cyclotron | Nobel Institute for Physics (later Manne Siegbahn Institute), Royal Swedish Academy of Sciences | Stockholm, Sweden | Research | Decommissioned | 25 | 1951 | — |
| Superconducting Ring Cyclotron (SRC) | RIKEN Nishina Center, RI Beam Factory (RIBF) | Wako, Japan | Research | Operating | 345 | 2006 | By arrangement |
| Swank Anchorage Cyclotron Project | private build | Anchorage, United States | Amateur | Unknown | — | — | — |
| Tecnomed Foundation Cyclotron | Fondazione Tecnomed - Universita degli Studi di Milano-Bicocca (IRCCS Fondazione San Gerardo dei Tintori, Monza) | Monza, Italy | Medical isotope | Operating | — | — | — |
| Telix Brussels South cyclotron (GE HealthCare) | Telix Manufacturing Solutions (TMS) Brussels South, Telix Pharmaceuticals | Seneffe, Belgium | Medical isotope | Under construction | — | — | — |
| Telix Brussels South cyclotron (IBA) | Telix Manufacturing Solutions (TMS) Brussels South, Telix Pharmaceuticals | Seneffe, Belgium | Medical isotope | Under construction | — | — | — |
| Telix Seneffe former IBt cyclotron 1 (decommissioned) | Telix Manufacturing Solutions Brussels South (former International Brachytherapy / IBt site) | Seneffe, Belgium | Medical isotope | Decommissioned | — | — | — |
| Telix Seneffe former IBt cyclotron 2 (decommissioned) | Telix Manufacturing Solutions Brussels South (former International Brachytherapy / IBt site) | Seneffe, Belgium | Medical isotope | Decommissioned | — | — | — |
| The Cyclotron Project (Upson & Anchordoquy) | private build | United States | Amateur | Under construction | 0.06 | — | — |
| The Neuro Cyclotron and Radiochemistry Facility | Montreal Neurological Institute-Hospital (The Neuro), McGill University | Montreal, Canada | Research | Operating | 18 | — | — |
| TIARA AVF Cyclotron (K110) | Takasaki Advanced Radiation Research Institute, National Institutes for Quantum Science and Technology (QST) | Takasaki, Japan | Research | Operating | — | — | — |
| TIARA K110 AVF Cyclotron | QST Takasaki Institute for Advanced Quantum Science (formerly JAERI/JAEA Takasaki) | Takasaki, Japan | Research | Operating | 90 | 1991 | — |
| TR-30 medical isotope cyclotron (TRIUMF/BWXT) | TRIUMF (operated with BWXT Medical, formerly Nordion) | Vancouver, Canada | Medical isotope | Operating | 30 | 1990 | Public |
| Trento Proton Therapy Centre (Centro di Protonterapia) | Azienda Provinciale per i Servizi Sanitari (APSS) Trento | Trento, Italy | Proton therapy | Operating | 230 | 2014 | — |
| TRIUMF 520 MeV Cyclotron | TRIUMF (Canada's particle accelerator centre), University of British Columbia campus | Vancouver, Canada | Research | Operating | 520 | 1974 | Public |
| TRIUMF TR-13 Cyclotron | TRIUMF Life Sciences Division | Vancouver, Canada | Research | Operating | 13 | — | Public |
| Turku MGC-20 Cyclotron (Gadolinia) | Abo Akademi University, Gadolinia building - later Turku PET Centre | Turku, Finland | Research | Decommissioned | — | 1974 | — |
| Turku PET Centre CC-18/9 cyclotron | Turku PET Centre (University of Turku, Abo Akademi University and Turku University Hospital), RK2 building | Turku, Finland | Medical isotope | Operating | 18 | — | — |
| Turku PET Centre IBA Cyclone 3 | Turku PET Centre (University of Turku, Abo Akademi University and Turku University Hospital) | Turku, Finland | Medical isotope | Operating | 3.8 | — | — |
| Turku PET Centre TR-19 cyclotron | Turku PET Centre (Turku University Hospital / University of Turku / Abo Akademi University) | Turku, Finland | Medical isotope | Operating | 19 | 2015 | — |
| U-120 Cyclotron | Institute of Nuclear Physics (IFJ PAN), Polish Academy of Sciences | Krakow, Poland | Research | Decommissioned | 14.5 | 1958 | — |
| U-120 Cyclotron (Kyiv) | Institute for Nuclear Research, National Academy of Sciences of Ukraine (KINR) | Kyiv, Ukraine | Research | Unknown | 6.8 | 1956 | — |
| U-120M Isochronous Cyclotron | Nuclear Physics Institute of the Czech Academy of Sciences (NPI CAS) | Husinec-Řež, Czech Republic | Research | Operating | 37 | 1977 | — |
| U-150M Isochronous Cyclotron | Institute of Nuclear Physics, Ministry of Energy of the Republic of Kazakhstan | Almaty, Kazakhstan | Research | Operating | 30 | 1965 | — |
| U-240 Isochronous Cyclotron | Institute for Nuclear Research, National Academy of Sciences of Ukraine (KINR) | Kyiv, Ukraine | Research | Unknown | 80 | 1976 | — |
| U-400 Heavy-Ion Cyclotron | Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research (JINR) | Dubna, Russia | Research | Under construction | 20 | 1978 | By arrangement |
| U-400M Cyclotron | Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research (JINR) | Dubna, Russia | Research | Operating | 60 | 1991 | By arrangement |
| UAB Cyclotron Facility TR-24 | University of Alabama at Birmingham - O'Neal Comprehensive Cancer Center, Advanced Imaging Facility | Birmingham, United States | Medical isotope | Operating | 24 | 2013 | — |
| UCLouvain CRC CYCLONE 110 (Louvain-la-Neuve) | UCLouvain Cyclotron Resource Centre (CRC), Louvain-la-Neuve | Ottignies-Louvain-la-Neuve, Belgium | Research | Operating | 65 | 1972 | — |
| UCLouvain CRC CYCLONE 30 (Louvain-la-Neuve) | UCLouvain Cyclotron Resource Centre (CRC), Louvain-la-Neuve | Ottignies-Louvain-la-Neuve, Belgium | Medical isotope | Unknown | 30 | 1987 | — |
| UCSF Radiopharmaceutical Facility cyclotron | University of California, San Francisco - Department of Radiology and Biomedical Imaging | San Francisco, United States | Medical isotope | Operating | — | — | — |
| UF Health Proton Therapy Institute | University of Florida Health | Jacksonville, United States | Proton therapy | Operating | 230 | 2006 | — |
| ULiège GIGA Cyclotron (IBA, 18 MeV) | University of Liège, GIGA Cyclotron / Cyclotron Research Centre (CRC), building B30, Sart Tilman | Liège, Belgium | Medical isotope | Operating | 18 | — | — |
| UMCG Proton Therapy Center (Protonentherapiecentrum) | University Medical Center Groningen (UMCG) | Groningen, Netherlands | Proton therapy | Operating | 230 | 2018 | — |
| UMD 19-Inch Educational Cyclotron | University of Maryland | College Park, United States | Teaching | Under construction | — | — | — |
| UNAM Radiopharmacy-Cyclotron Unit | Unidad Radiofarmacia-Ciclotron, Facultad de Medicina, Universidad Nacional Autonoma de Mexico | Mexico City, Mexico | Medical isotope | Operating | — | 2000 | — |
| Uniklinik RWTH Aachen cyclotron | Uniklinik RWTH Aachen / RWTH Aachen University, Klinik für Nuklearmedizin | Aachen, Germany | Medical isotope | Operating | 16.5 | — | — |
| University Hospital Regensburg cyclotron | Klinik und Poliklinik fur Nuklearmedizin, Universitatsklinikum Regensburg (UKR) | Regensburg, Germany | Medical isotope | Operating | — | — | — |
| University of Chicago 170-Inch Synchrocyclotron | University of Chicago (original site; machine gone) | Chicago, United States | Research | Decommissioned | 450 | 1951 | — |
| University of Chicago Cyclotron Facility | University of Chicago Medicine, Bernard Mitchell Hospital | Chicago, United States | Medical isotope | Operating | 18 | 2017 | — |
| University of Debrecen PET Centre cyclotron | University of Debrecen Clinical Centre, Medical Imaging Clinic - Nuclear Medicine | Debrecen, Hungary | Medical isotope | Operating | — | — | — |
| University of Hull PET Research Centre mini-cyclotron | University of Hull | Hull, United Kingdom | Research | Decommissioned | 7.5 | — | — |
| University of Manitoba Cyclotron | University of Manitoba (site now the Manitoba Institute for Materials) | Winnipeg, Canada | Research | Decommissioned | 50 | 1965 | — |
| University of Michigan 83-Inch Cyclotron | University of Michigan, North Campus Cyclotron Building (former) | Ann Arbor, United States | Research | Decommissioned | 40 | 1962 | — |
| University of Pittsburgh PET Facility cyclotron | University of Pittsburgh Department of Radiology / UPMC Presbyterian Hospital | Pittsburgh, United States | Medical isotope | Operating | 11 | — | — |
| University of Rochester 130-Inch Synchrocyclotron | University of Rochester (machine and building demolished; site now Goergen Hall) | Rochester, United States | Research | Decommissioned | 240 | 1948 | — |
| University of Washington 60-Inch Cyclotron | University of Washington, Center for Experimental Nuclear Physics and Astrophysics (CENPA) | Seattle, United States | Research | Decommissioned | — | 1952 | — |
| University of Washington Medical Cyclotron (Clinical Neutron Therapy System) | University of Washington Medical Center | Seattle, United States | Research | Operating | 50.5 | 1984 | By arrangement |
| UOHI PET Radiochemistry Cyclotron | University of Ottawa Heart Institute | Ottawa, Canada | Medical isotope | Operating | 11 | — | — |
| UQ Centre for Advanced Imaging cyclotron (IBA Cyclone 18 Twin) | Centre for Advanced Imaging, University of Queensland | Brisbane (St Lucia), Australia | Medical isotope | Operating | 18 | — | — |
| UW Medical Cyclotron Facility (Clinical Neutron Therapy System) | University of Washington, Department of Radiation Oncology / UW Medical Center | Seattle, United States | Research | Operating | 50 | 1984 | — |
| UZ Brussel / VUB cyclotron (IBA Cyclone KIUBE) | UZ Brussel / Vrije Universiteit Brussel, Brussels Health Campus | Jette (Brussels), Belgium | Medical isotope | Operating | 18 | — | — |
| UZ Gent cyclotron (IBA Cyclone 18/9) | Ghent University Hospital (UZ Gent), Department of Nuclear Medicine / UGent | Gent, Belgium | Medical isotope | Operating | 18 | — | — |
| UZ Leuven radiopharmacy cyclotron (IBA Cyclone 18/9) | UZ Leuven / KU Leuven, Radiopharmacy, Gasthuisberg campus | Leuven, Belgium | Medical isotope | Operating | 18 | — | — |
| VECC K130 Variable Energy Cyclotron (224 cm) | Variable Energy Cyclotron Centre, Department of Atomic Energy | Kolkata, India | Research | Operating | 60 | 1977 | — |
| VECC K500 Superconducting Cyclotron | Variable Energy Cyclotron Centre, Department of Atomic Energy | Kolkata, India | Research | Operating | 80 | 2009 | — |
| VECC Medical Cyclotron Facility Cyclone-30 | Variable Energy Cyclotron Centre (VECC), Department of Atomic Energy - Chakgaria campus | Kolkata, India | Medical isotope | Operating | 30 | 2018 | — |
| Wales Research and Diagnostic PET Imaging Centre (PETIC) cyclotron | Cardiff University with Cardiff and Vale University Health Board, University Hospital of Wales | Cardiff, United Kingdom | Medical isotope | Operating | 18 | 2010 | — |
| Warsaw Cyclotron U-200P | Heavy Ion Laboratory (HIL), University of Warsaw | Warsaw, Poland | Research | Operating | 10 | 1994 | By arrangement |
| Washington University 45-Inch Cyclotron | Washington University in St. Louis (Danforth Campus power plant site) | St. Louis, United States | Research | Unknown | — | 1941 | — |
| Westdeutsches Protonentherapiezentrum Essen (WPE) | University Hospital Essen (Universitätsklinikum Essen) | Essen, Germany | Proton therapy | Operating | 230 | 2013 | — |
| Xichang People's Hospital Cyclotron | Xichang People's Hospital | Xichang, China | Medical isotope | Unknown | — | — | — |
| XJTU First Affiliated Hospital 20 MeV Cyclotron | The First Affiliated Hospital of Xi'an Jiaotong University | Xi'an, China | Medical isotope | Under construction | 20 | — | — |
| Yibin Second People's Hospital Cyclotron | Yibin Second People's Hospital (West China Hospital Yibin branch) | Yibin, China | Medical isotope | Operating | — | — | — |
| Zhuhai People's Hospital Cyclotron | Zhuhai People's Hospital (珠海市人民医院), South Campus | Zhuhai, China | Medical isotope | Operating | 11 | — | — |