| Acronym | Sense | Language | Topics |
|---|---|---|---|
| MMI | Medicus Mundi Italia | In Italian | → Organizations and associations |
| MMM | Myélofibrose avec Métaplasie Myéloïde | In French | → Blood and circulatory system → Pathology |
| MMS | Medical Mission Sisters | In English | → Roman catholic church |
| MMS | Mini Mental Slate | In English | → Neurology |
| MMSE | Mini-Mental State Examination | In English | |
| MMSE | Mini Mental State Examination | In English | → Neurology |
| MMT | Médecins Maîtres-Toile | In French | → Networks, communication → Organizations and associations |
| MMTV | Mouse Mammary Tumor Virus | In English | → Virology → Oncology |
| MMW | Münchener Medizinische Wochenschrift | In German | → Serial publications, periodicals |
| MNA | Mini Nutritional Assessment | In English | → Nutrition |
| MO-MED | Mobile Information Engineering & E-Med Systems | In English | → Telecommunications |
| MoBiMed | Molekulare Bildgebung in der Medizin | In German | → Biological sciences |
| MODY | Maturity-Onset Diabetes of the Young | In English | → Physiology → Pathology |
| MOE | Munduko Osasun Erakundea = MOS | Monda Organiz(aĵ)o pri Sano | In Esperanto = WHO | World Health Organization | In English = OMS | Organisation Mondiale de la Santé | In Esperanto = OMS | Organizzazione Mondiale della Sanità | In Italian = WGO | Wêreldgesondheidsorganisasie | In Afrikaans = OMS | Organización Mundial de la Salú | In Asturian = СЗО | Световната здравна огранизация | In Bulgarian = SZO | Světová zdravotnická organizace | In Czech = OMS | Organització Mundial de la Salut | In Catalan = OMS | Organización Mundial de la Salud | In Spanish = MTO | Maailma Terviseorganisatsioon | In Estonian = OMS | Organisacion mondiâla de la sandât | In Franco-Provençal = OMS | Organización Mundial da Saúde | In Galician = SZO | Svjetska zdravstvena organizacija | In Croatian = RTD | Rêxistina Tendurustiyê ya Dinyayê | In Kurdish = UMS | Urganizazziun mundiala da la Santaa | In Lombard = PSO | Pasaulio sveikatos organizacija | In Lithuanian = PVO | Pasaules veselības organizācija | In Latvian = ÜST | Ümumdünya Səhiyyə Təşkilatı | In Turkish |
In Basque | → United Nations |
| MoMLV | Moloney Murine Leukemia Virus | In English | → Virology → Infectious diseases |
| MORD | Medical Operations Requirements Document | In English | |
| MORT | Management Oversight and Risk Tree | In English | → Management → Accidents, risks, safety |
| MOS | Monda Organiz(aĵ)o pri Sano = MOE, WHO, OMS, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Esperanto | → United Nations |
| MOSES | Mobile Safety System | In English | → Engineering, technology → Accidents, risks, safety |
| MPGN | Membranoproliferative Glomerulonephritis | In English | → Pathology |
| MPH | Master of Public Health | In French | → Higher education, universities → Public health and hygiene |
| MPOC | Maladie Pulmonaire Obstructive Chronique | In French | → Pathology |
| MPOC | Maladie Pulmonaire Obstructive Chronique = BPCO | Broncho-Pneumopathie Chronique Obstructive | In French = COPD | Chronic Obstructive Pulmonary Disease | In English = COLD | Chronic Obstructive Airway Disease | In English = COAD | Chronisch obstruktive Atemwegserkrankung | In German = EPOC | Enfermedad Pulmonar Obstructiva Crónica | In Spanish = BPCO | Broncopneumopatia Cronica Ostruttiva | In Italian = DPOC | Doença Pulmonar Obstrutiva Crónica | In Portuguese = KOAH | Kronik Obstrüktif Akciğer Hastalığı | In Turkish |
In French | → Chest diseases |
| MPPS | Mammary Gland Physiology and Pathology Society | In English | → Organizations and associations → Physiology → Pathology → Mammals |
| MPR | Moto-Pompe Remorquable | In French | → Automobile manufacturing → Firefighting |
| MPS | Mission Permanente de Sécurité | In French | → Accidents, risks, safety |
| MR | Magnetska ili magnetna rezonancija | In Croatian | → Nuclear, atomic, and molecular physics |
| MRC | Medical Research Council | In English | → Organizations and associations |
| MRD | Minimal Residual Disease | In English | → Pathology |
| MRI | Magnetic Resonance Imagery = IRM | Imagerie par Résonance Magnétique | In French |
In English | → Nuclear, atomic, and molecular physics |
| MRT | Magnetresonanz-Tomografie = MRT | Magnetresonanstomografi | In Swedish |
In German | → Nuclear, atomic, and molecular physics |
| MRT | Magnetresonanstomografi = (look above) |
In Swedish | → Nuclear, atomic, and molecular physics |
| MRZ | Medizinisches Rechenzentrum | In German | → Computer science |
| MS | Multiple Sclerosis | In English | → Neurology |
| MS | Ministerul Sănătăţii | In Romanian | → Central administration → Public health and hygiene |
| MSBCIA | Macedonian Society for Basic, Clinical Immunology and Allergology | In English | → Organizations and associations → Immunology and allergy |
| MSBM | Maîtrise de Sciences Biologiques et Médicales | In French | → Higher education, universities → Biological sciences |
| MSE | Medical Support Equipment | In English | |
| MSF | Médecins Sans Frontières (www.msf.fr) | In French | → Associations |
| MSHA | Mine Safety and Health Administration | In English | → Public administration, government → Accidents, risks, safety |
| MSJ | Medical Sisters of Saint Joseph | In English | → Roman catholic church |
| MSMR | Massachusetts Society for Medical Research (www.msmr.org) | In English | → Organizations and associations → United States |
| MSPP | Ministère de la Santé Publique et de la Population | In French | → Central administration → Public health and hygiene |
| MSTP | Medical Scientist Training Program | In English | → Education |
| MT | Medical Technology | In English | |
| MTEV | Maladie Thromboembolique Veineuse | In French | → Blood and circulatory system |
| MTF | Medical Treatment Facility | In English | |
| MTO | Maailma Terviseorganisatsioon = MOE, MOS, WHO, OMS, WGO, СЗО, SZO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Estonian | → United Nations |
| MUG | Medizinische Universität Graz | In German | → Higher education, universities |
| MUMPS | Massachusetts General Hospital Utility Multi-Programming System | In English | → Programming languages → United States |
| MUSE | Medicated Urethral System for Erection | In English | → 3926 → Urology |
| MUST | Modelling the Use and Safety of Transport = MUST | Modélisation de l'Usage et de la Sécurité des Transports | In French |
In English | → Accidents, risks, safety → Vehicle engineering → Transport and postal services |
| MUW | Medizinische Universität Wien | In German | → Higher education, universities → Austria |
| MVL | Multilamellar Vesicle | In English | → Biotechnology → Pharmacology, toxicology |
| MVMA | Maryland Veterinary Medical Association (www.mdvma.org) | In English | → Associations → Veterinary medicine |
| MVO | Maladie Veino-Occlusive | In French | → Blood and circulatory system → Pathology |
| MW | Medische Wetenschappen | In Dutch | |
| NABR | National Association for Biomedical Research (www.nabr.org) | In English | → Associations → Biological sciences |
| NACCP | National Association of Child Care Professionals | In English | → Associations → Pediatry |
| NAHIS | National Animal Health Information System | In English | → Veterinary medicine |
| NAN | Nombre Absolu de Neutrophiles | In French | → Blood and circulatory system |
| NANB | Nurses Association of New Brunswick | In English | → Associations → Canada |
| NAPCC | National Animal Poison Control Center | In English | → Organizations and associations → Pharmacology, toxicology → Veterinary medicine |
| NASH | Nicht-alkoholische Steatohepatitis | In German | → Pathology |
| NASS | North American Spine Society | In English | → Organizations and associations |
| NAVCA | North American Veterinary College Administrators | In English | → Organizations and associations → Veterinary medicine |
| NAVP | National Association of Veterinary Physiotherapists (www.navp.org.uk) | In English | → Associations → Veterinary medicine |
| NAVP | National Association of Vision Professionals | In English | → Associations → Ophthalmology |
| NBIC | Nanotechnologies, Biologie, Information, Cognition | In French | → Engineering, technology → Biotechnology → Computer science → Neurology |
| NCA | National Care Association (www.nca.gb.com) | In English | → Associations → Social welfare |
| NCI | National Cancer Institute | In English | → Organizations and associations → Oncology |
| NCM | Neural Control of Movement Society (http://ncm-society.org) | In English | → Organizations and associations → Neurology |
| NCNM | National College of Natural Medicine | In English | → Higher education, universities |
| NCRR | National Center for Research Resources (www.ncrr.nih.gov) | In English | → Research institutes → Biological sciences |
| NDA | New Drug Application | In English | → Pharmacology, toxicology |
| NDL | National Diet Library | In English | → Libraries → Nutrition |
| NEJM | New England Journal of Medicine | In English | → Serial publications, periodicals |
| NEM | Néoplasie Endocrinienne Multiple | In French | → Oncology → Endocrinology → Physiology |
| NEOBRAIN | Neonatal Estimation Of Brain Damage Risk And Identification of Neuroprotectants | In English | → Neurology → Obstetrics |
| NERF | Neuropôle de Recherche Francilien | In French | → Research institutes → Neurology → France |
| NERI | Norepinephrine Reuptake Inhibitor = NRI | Norepinephrine Reuptake Inhibitor | In English = NRI | Noradrenaline Reuptake Inhibitor | In English = ARI | Adrenergic Reuptake Inhibitor | In English |
In English | → Pharmacology, toxicology → Neurology |
| NET | Nécrolyse Épidermique Toxique = TEN | Toxic Epidermal Necrolysis | In English |
In French | → Dermatology → Immunology and allergy → Pharmacology, toxicology |
| NETT | National Emphysema Treatment Trial | In English | → Chest diseases |
| NGF | Nerve Growth Factor | In English | → Hormones → Neurology" |
| NHC | Nouvel Hôpital Civil | In French | |
| NHC | National Heart Centre (www.nhc.com.sg) | In English | → Cardiology |
| NHF | National Hemophilia Foundation | In English | → Foundations → Blood and circulatory system → Pathology |
| NHLBI | National Heart, Lung, and Blood Institute (www.nhlbi.nih.gov) | In English | → Research institutes → Blood and circulatory system → Cardiology |
| NHTSA | National Highway Traffic Safety Association | In English | → Associations → Accidents, risks, safety → Transport and postal services |
| NHTSA | National Highway Traffic Safety Administration (www.nhtsa.dot.gov) | In English | → Central administration → Accidents, risks, safety → Transport and postal services |
| NIAH | National Institute of Animal Health | In English | → Organizations and associations → Veterinary medicine |
| NiC | NeuroImaging Center | In English | → Diagnostics → Neurology |
| NICE | National Institute for Health and Clinical Excellence | In English | |
| NIDDK | National Institute of Diabetes and Digestive and Kidney Diseases | In English | → Research institutes → Physiology → Pathology |
| NIDRR | National Institute on Disability and Rehabilitation Research | In English | → Research institutes |
| NIFTE | National Initiative for Telehealth | In English | |
| NIH | National Institutes of Health (www.nih.gov) | In English | → Research institutes → Biological sciences |
| NIMH | National Institute of Mental Health | In English | → Neurology |
| NIOSH | National Institute for Occupationnal Safety and Health | In English | → Accidents, risks, safety → Labour, labour economics |
| NIOSH | National Institute for Occupational Safety and Health | In English | → Accidents, risks, safety → Labour, labour economics |
| NIPS | National Institute for Physiological Sciences | In English | → Research institutes → Physiology |
| NKI-AVL | Nederlands Kanker Instituut - Antoni van Leeuwenhoek Ziekenhuis | In Dutch | → Research institutes → Oncology → Netherlands |
| NLM | National Library of Medicine (www.nlm.nih.gov) | In English | → Libraries |
| NMC | Nursing and Midwifery Council | In English | → Organizations and associations |
| NMC | National Mastitis Council (www.nmconline.org) | In English | → Organizations and associations → Veterinary medicine → Agricultural sciences |
| NMD | Nuclear Medicine | In English | |
| NMI | Naturwissenchaftlich-Medizinisches Institut | In German | → Research institutes → Biological sciences |
| NMMBC | Neuropathie Motrice Multifocale à Bloc de Conduction | In French | → Neurology |
| NMR | Nuclear Magnetic Resonance = RMN | Résonance Magnétique Nucléaire | In French = RMN | Ressonància Magnètica Nuclear | In Catalan = RMN | Risonanza Magnetica Nucleare | In Italian = תמ"ג | תהודה מגנטית גרעינית | In Hebrew = ЯМР | Я́дерного магни́тного резона́нса | In Russian = НМР | Нуклеарна магнетна резонанција | In Serbian |
In English | → Nuclear, atomic, and molecular physics → Nuclear technology |
| NMVMA | New Mexico Veterinary Medical Association (www.nmvma.org) | In English | → Associations → Veterinary medicine → Mexico |
| NN | Neural Networks | In English | → Serial publications, periodicals → Computer-based techniques → Neurology |
| NÖGKK | Niederösterreichische Gebietskrankenkasse (www.noegkk.at) | In German | → Insurance → Austria |
| NÖGUS | Niederösterreichischer Gesundheits- und Sozialfonds (www.noegus.at) | In German | → Social welfare → Austria |
| NPH | Neutral Protamine Hagedorn | In English | → Cardiology |
| NRA | Norepinephrine Releasing Agent | In English | → Pharmacology, toxicology → Neurology |
| NRI | Needham Research Institute (www.nri.cam.ac.uk) | In English | → Research institutes → History → Engineering, technology → United Kingdom |
| NRI | Norepinephrine Reuptake Inhibitor = NERI, ARI (look above) |
In English | → Pharmacology, toxicology → Neurology |
| NRI | Noradrenaline Reuptake Inhibitor = NERI, ARI (look above) |
In English | → Pharmacology, toxicology → Neurology |
| NRK | Nederlandse Rode Kruis | In Dutch | → Organizations and associations → Netherlands |
| NSLC | Non-Small cell Lung Carcinoma | In English | → Chest diseases → Oncology |
| NTA | National Treatment Agency for Substance Misuse | In English | → Personal health and hygiene |
| NTSC | Nuclear Technology Safety Center | In English | → Accidents, risks, safety → Nuclear technology |
| nvMCJ | Nouveau variant de la Maladie de Creutzfeldt-Jakob | In French | → Neurology |
| NVTG | Nederlandse Vereniging voor Tropische Geneeskunde | In Dutch | → Organizations and associations → Netherlands |
| ÖÄGMM | Österreichische Ärztegesellschaft für Manuelle Medizin (www.manuellemedizin.org) | In German | → Organizations and associations → Austria |
| ÖÄK | Österreichische Ärztekammer (www.aerztekammer.at) | In German | → Organizations and associations → Austria |
| OAP | Œdème Aigu Pulmonaire | In French | → Chest diseases |
| OASM | Office of Aerospace Medicine | In English | → Aeronautics, aircraft → Astronautics |
| OAVT | Ontario Association of Veterinary Technicians (www.oavt.org) | In English | → Associations → Veterinary medicine → Canada |
| OBG | Onlay Bone Graft | In English | → Dentistry |
| ÖBIG | Österreichisches Bundesinstitut für Gesundheitswesen | In German | → Central administration → Public health and hygiene → Austria |
| OBNT | Ordre de Base National des Transmissions | In French | → Telecommunications → Firefighting |
| OBS | Operational Bioinstrumentation System | In English | |
| OBS | Operational Biomedical System | In English | |
| OBVP | Österreichischer Bundesverband für Psychotherapie (www.psychotherapie.at) | In German | → Organizations and associations → Psychology → Neurology → Austria |
| OCD | Obsessive Compulsive Disorder | In English | → Psychology → Neurology |
| OCDU | Outpatient Clinical Decision Unit | In English | → 61608 |
| ÖDG | Österreichische Diabetes-Gesellschaft (www.oedg.org) | In German | → Organizations and associations → Physiology → Pathology → Austria |
| OEC | Olfactory Ensheathing Cell | In English | → Anatomy |
| OECI | Organization of European Cancer Institutes (http://https://oeci.eu/) | In English | → Organizations and associations → Research institutes → Oncology → Europe |
| OEGGG | Österreichische Gesellschaft für Gynäkologie und Geburtshilfe (www.oeggg.at) | In German | → Organizations and associations → Gynaecology → Obstetrics → Austria |
| OES | Occupational and Environmental Safety | In English | → Labour, labour economics → Environmental protection |
| OFA | Orthopedic Foundation for Animals (www.offa.org) | In English | → Foundations → Veterinary medicine |
| OFPS | Office of Fire Protection and Safety | In English | → Accidents, risks, safety |
| ÖGA | Österreichische Gesellschaft für Akupunktur (www.akupunktur.at) | In German | → Organizations and associations → Pharmacology, toxicology → Austria |
| ÖGAI | Österreichische Gesellschaft für Allergologie und Immunologie (www.oegai.org) | In German | → Organizations and associations → Immunology and allergy → Austria |
| ÖGAM | Österreichische Gesellschaft für Allgemeinmedizin (www.oegam.at) | In German | → Organizations and associations → Austria |
| ÖGAM | Österreichische Gesellschaft für Allgemein- und Familienmedizin = ELNA | Esperanto-Ligo de Nord-Ameriko | In Esperanto = ELNA | Esperanto League for North America | In English |
In German | → Organizations and associations → Austria |
| ÖGARI | Österreichische Gesellschaft für Anaesthesiologie, Reanimation und Intensivmedizin (www.oegari.at) | In German | → Organizations and associations → Traumatology → Anesthesiology → Austria |
| OGD | Oesophago-Gastro-Duodénoscopie | In French | → Diagnostics |
| ÖGDV | Österreichische Gesellschaft für Dermatologie und Venerologie (www.oegdv.at) | In German | → Organizations and associations → Dermatology → Austria |
| ÖGGG | Österreichische Gesellschaft für Geriatrie und Gerontologie (www.geriatrie-online.at) | In German | → Organizations and associations → Gerontology → Austria |
| ÖGGH | Österreichische Gesellschaft für Gastroenterologie und Hepatologie (www.oeggh.at) | In German | → Organizations and associations → Pathology → Austria |
| ÖGHMP | Österreichische Gesellschaft für Hygiene, Mikrobiologie und Präventivmedizin (www.oeghmp.at) | In German | → Organizations and associations → Personal health and hygiene → Public health and hygiene → Microbiology → Austria |
| ÖGHO | Österreichische Gesellschaft für Hämatologie und Onkologie (www.oegho.at) | In German | → Organizations and associations → Blood and circulatory system → Oncology → Austria |
| ÖGIM | Österreichische Gesellschaft für Innere Medizin (www.oegim.at) | In German | → Organizations and associations → Austria |
| ÖGK | Österreichisches Grünes Kreuz (www.gruenes-kreuz.org) | In German | → Organizations and associations → Austria |
| OGKA | Österreichische Gesellschaft für kontrollierte Akupunktur (www.ogka.at) | In German | → Organizations and associations → Pharmacology, toxicology → Austria |
| ÖGKC | Österreichische Gesellschaft für klinische Chemie | In German | → Organizations and associations → Biochemistry, biophysics → Pharmacology, toxicology → Austria |
| ÖGKJ | Österreichische Gesellschaft für Kinder- und Jugendheilkunde (https://www.paediatrie.at/) | In German | → Organizations and associations → Pediatry → Austria |
| ÖGLUT | Österreichische Gesellschaft für Lungenerkrankungen und Tuberkulose (www.oeglut.at) | In German | → Organizations and associations → Chest diseases → Infectious diseases → Austria |
| ÖGN | Österreichische Gesellschaft für Neurologie (www.oegn.at) | In German | → Organizations and associations → Neurology → Austria |
| ÖGN | Österreichische Gesellschaft für Nuklearmedizin (www.ogn.at) | In German | → Organizations and associations → Austria |
| ÖGP | Österreichische Gesellschaft für Pneumologie (www.ogp.at) | In German | → Organizations and associations → Chest diseases → Austria |
| ÖGPB | Österreichische Gesellschaft für Neuropsychopharmakologie und Biologische Psychiatrie (www.oegpb.at) | In German | → Organizations and associations → Pharmacology, toxicology → Neurology → Psychiatry → Austria |
| ÖGPH | Österreichische Gesellschaft für Public Health (www.oeph.at) | In German | → Organizations and associations → Public health and hygiene → Austria |
| ÖGPMR | Österreichische Gesellschaft für Physikalische Medizin und Rehabilitation (www.oegpmr.at) | In German | → Organizations and associations → Austria |
| ÖGRM | Österreichische Gesellschaft für Reproduktionsmedizin und Endokrinologie (www.oegrm.at) | In German | → Organizations and associations → Gynaecology → Austria |
| ÖGRO | Österreichische Gesellschaft für Radioonkologie (www.oegro.com) | In German | → Organizations and associations → Oncology → Austria |
| ÖGS | Österreichische Gesellschaft für Senologie (www.senologie.at) | In German | → Organizations and associations → Gerontology → Austria |
| ÖGSMSF | Österreichische Gesellschaft für Schlafmedizin und Schlafforschung (www.schlafmedizin.at) | In German | → Organizations and associations → Austria |
| ÖGT | Österreichische Gesellschaft für Tuina (www.tuina.or.at) | In German | → Organizations and associations → Pharmacology, toxicology → Austria |
| ÖGT | Österreichische Gesellschaft der Tierärzte (www.vu-wien.ac.at/oegt/) | In German | → Organizations and associations → Veterinary medicine → Austria |
| ÖGUM | Österreichische Gesellschaft für Ultraschall in der Medizin (http://oegum.wiemat.at) | In German | → Organizations and associations → Austria |
| OHF | Occupational Health Facility | In English | → Labour, labour economics |
| OHSU | Oregon Health and Science University (www.ohsu.edu) | In English | → Higher education, universities → Mathematics and natural sciences → United States |
| OIE | Office International des Épizooties (www.oie.int) | In French | → Organizations and associations → Veterinary medicine |
| OIF | Osteogenesis Imperfecta Foundation | In English | → Foundations → Pathology |
| ÖKG | Österreichische Kardiologische Gesellschaft (www.atcardio.at) | In German | → Organizations and associations → Cardiology → Austria |
| OLT | Orthotopic Liver Transplantation | In English | → Surgery, orthopaedics, ophthalmology |
| OMC | Office of Medical Computing | In English | → Computer science |
| ÖMCCV | Österreichische Morbus Crohn-Colitis ulcerosa Vereinigung (www.oemccv.at) | In German | → Organizations and associations → Pathology → Austria |
| OMD | Oedème Maculaire Diabétique | In French | → Pathology → Ophthalmology |
| OMS | Organisation Mondiale de la Santé = MOE, MOS, WHO, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Esperanto | → United Nations |
| OMS | Organizzazione Mondiale della Sanità = MOE, MOS, WHO, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Italian | → United Nations |
| OMS | Organización Mundial de la Salú = MOE, MOS, WHO, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Asturian | → United Nations |
| OMS | Organització Mundial de la Salut = MOE, MOS, WHO, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Catalan | → United Nations |
| OMS | Organización Mundial de la Salud = MOE, MOS, WHO, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Spanish | → United Nations |
| OMS | Organisacion mondiâla de la sandât = MOE, MOS, WHO, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Franco-Provençal | → United Nations |
| OMS | Organización Mundial da Saúde = MOE, MOS, WHO, WGO, СЗО, SZO, MTO, RTD, UMS, PSO, PVO, ÜST (look above) |
In Galician | → United Nations |
| OMSP | Organización Mundial de la Salud Pública | In Spanish | → Organizations and associations → International relations → Public health and hygiene |
| OMT | Ortopedisen Manuaalisen Terapian | In Finnish | |
| OMT | Osteopathic Manipulative Treatment | In English | |
| OMT | Ortopedisk manuell terapi | In Swedish | → Surgery, orthopaedics, ophthalmology |
| ONIAM | Office National d'Indemnisation des Accidents Médicaux (www.oniam.fr) | In French | → Central administration → Accidents, risks, safety |
| ÖNRAP | Österreichisches nationales Radonprojekt | In German | → Austria |
| ONREK | Office National de Recherche et d'Évaluation en Kinésithérapie | In French | |
| ONS | Opérateur National de Sécurité | In French | → Accidents, risks, safety |
| OÖGKK | Oberösterreichische Gebietskrankenkassa (www.ooegkk.at) | In German | → Insurance → Austria |
| OPAS | Organização Pan-Americana da Saúde (www.paho.org) = OPS | Organización Panamericana de la Salud | In Spanish = PAHO | Pan American Health Organization | In English |
In Portuguese | → Organizations and associations → International relations |