| FMCS | Federal Mediation and Conciliation Services | In English | |
| FMCSA | Federal Motor Carrier Safety Administration (www.fmcsa.dot.gov) | In English | → Central administration → Vehicle engineering |
| FMP | Force Multinationale de Protection | In French | → Military affairs → United Nations |
| FNFL | Forces Navales Françaises Libres | In French | → 359 → History |
| FNFM | Fichier National du Faux Monnayage | In French | → Law, jurisprudence |
| FNGA | Fonds National de la Gestion Administrative | In French | → Economics |
| FNMVTC | Fonds National pour la Mise en Valeur des Terres par la Concession | In French | → Central administration → Agricultural sciences |
| FNR | Fachagentur Nachwachsende Rohstoffe | In German | → Municipal administration → Agricultural sciences → Energy economics |
| FNRDA | Fonds National pour la Régulation et le Développement Agricole | In French | → Central administration → Agricultural sciences |
| FOD | Federale Overheidsdienst | In Dutch | |
| FPR | Fichier des Personnes Recherchées | In French | → Data → Police |
| FRA | Federal Railroad Administration (www.fra.dot.gov) | In English | → Central administration → Transport and postal services → Rail transport engineering → Transport and postal services |
| FRAPPE | Fonds Régional d'Aide aux Porteurs de Projets Européens | In French | → Research policy → Regional administration |
| FRC | Fichier des Recherches Criminelles | In French | → Police |
| FRS | Force Républicaine de Sécurité | In French | → Police |
| FSAP | Federación de Servicios y Administraciones Públicas | In Spanish | → Organizations and associations → Labour, labour economics |
| FSI | Forces de Sécurité Intérieure | In French | |
| FTA | Federal Transit Administration (www.fta.dot.gov) | In English | → Central administration → Transport and postal services |
| FTF | Funktionærernes og Tjenestemændenes Fællesråd | In Danish | → Organizations and associations → Labour, labour economics |
| FUSP | Felles utenriks- og sikkerhetspolitikk = CFSP | Common Foreign and Security Policy | In English = GASP | Gemeinsame Außen- und Sicherheitspolitik | In German = WPZiB | Wspólna polityka zagraniczna i bezpieczeństwa | In Polish = PESC | Politique Étrangère et de Sécurité Commune | In French = GBVB | Gemeenschappelijk Buitenlands en Veiligheidsbeleid | In Dutch = PESC | Politica Estera e di Sicurezza Comune | In Italian = SZPB | Společná zahraniční a bezpečnostní politika | In Czech = СЗБП | Спільна зовнішня та безпекова політика | In Ukrainian = SZPB | Spoločná zahraničná a bezpečnostná politika | In Slovak = PESC | Política Externa e de Segurança Comum | In Portuguese |
In Norwegian | → European Union → International relations → Police |
| FVM | Fédération des Villes Moyennes | In French | → Organizations and associations → Municipal administration |
| GAE | Grupos Armados Españoles | In Spanish | → Organizations and associations → Military affairs |
| GAL | Grupos Antiterroristas de Liberación | In Spanish | → Organizations and associations → Military affairs |
| GAO | Government Accountability Office | In English | |
| GART | Groupement des Autorités Responsables de Transports | In French | → Organizations and associations → Transport and postal services |
| GASP | Gemeinsame Außen- und Sicherheitspolitik = FUSP, CFSP, WPZiB, PESC, GBVB, SZPB, СЗБП (look above) |
In German | → European Union → International relations → Police |
| GBVB | Gemeenschappelijk Buitenlands en Veiligheidsbeleid = FUSP, CFSP, GASP, WPZiB, PESC, SZPB, СЗБП (look above) |
In Dutch | → European Union → International relations → Police |
| GEA | Gestion des Entreprises et des Administrations | In French | → Management → Economics |
| GF | Groupe Franc | In French | → Military affairs → History |
| GFAE | Government-Furnished Aeronautical Equipment | In English | → Aeronautics, aircraft |
| GFAE | Government-Furnished Aircraft Equipment | In English | → Aeronautics, aircraft |
| GFD | Government-Furnished Data | In English | → Data |
| GFE | Government-Furnished Equipment | In English | |
| GFERD | Government-Furnished Equipment Requirement Description | In English | |
| GFI | Government-Furnished Information | In English | |
| GFM | Government-Furnished Material | In English | |
| GFP | Government-Furnished Property | In English | |
| GFS | Government-Furnished Software | In English | → Central administration → Software |
| GFY | Government Fiscal Year | In English | |
| GIAG | Government-Industry Advisory Group | In English | |
| GIDEP | Government Interagency Data Exchange Program | In English | → Data |
| GIDEP | Government-Industry Data Exchange Program | In English | → Data |
| GIGN | Groupe d'Intervention de la Gendarmerie Nationale | In French | |
| GIVE | Groupe Interministériel sur le Véhicule Électrique | In French | → Central administration → Vehicle engineering |
| GLA | Greater London Authority (www.london.gov.uk) | In English | → Municipal administration |
| GLAADS | Gun Low-Altitude Air Defense System | In English | → Military engineering → Aeronautics, aircraft → 358 |
| GMIP | Government Mandatory Inspection Point | In English | |
| GMR | Groupe Mobile de Réserve | In French | → Police |
| GMR | Groupes Mobiles de Réserve | In French | → Military affairs → History |
| GO-NE | Government Office for the North East | In English | |
| GO-SW | Government Office for the South West | In English | |
| GÖD | Gewerkschaft Öffentlicher Dienst | In German | → Labour, labour economics |
| GP | Government Property | In English | |
| GPO | Government Printing Office | In English | → Graphic industries, printing, publishing |
| GPRF | Gouvernement Provisoire de la République Française | In French | → History |
| GPRP | Government Production Research Property | In English | |
| GRC | Gendarmerie Royale du Canada | In French | → Police |
| GRM | Garde Républicaine Mobile | In French | → Police |
| GRU | Glavnoye Razvedivatel'noye Upravileniye | In Russian | → Military affairs |
| GSE | Government Support Equipment | In English | → Engineering, technology |
| GSI | Government Source Inspection | In English | |
| GSS | Government Systems Sector | In English | |
| GTi | Groupe de Travail interministériel | In French | → Central administration |
| GTLV | Government-Furnished Target Launch Vehicle | In English | → Vehicle engineering |
| HAFB | Holloman Air Force Base | In English | → 358 → Aeronautics, aircraft |
| HAFB | Hill Air Force Base | In English | → 358 → Aeronautics, aircraft |
| HGM | Heeresgeschichtliches Museum (www.hgm.or.at) | In German | → Museums → Military affairs |
| HIAD | High-Altitude Defense Program | In English | → Military affairs → Military engineering → Aeronautics, aircraft |
| HPSV | Haagse Politie Sport Vereniging | In Dutch | → Organizations and associations → Police → Sport, physical exercises |
| IACO | International Aviation COnsulting | In French | → 3592 → Aeronautics, aircraft |
| IADB | Inter-American Defense Board | In English | → International relations → Military affairs |
| ICN | Inspectorate of Civil Navigation | In English | → Transport and postal services |
| ICPO | International Criminal Police Organization | In English | → Organizations and associations → Police |
| ICSC | International Civil Service Commission = CAPI | Comisión de Administración Pública Internacional | In Spanish = CFPI | Commission de la Fonction Publique Internationale | In French = CAPI | Comissão de Administração Pública Internacional | In Portuguese |
In English | → United Nations |
| IDDS | Institute for Defense and Disarmament Studies | In English | → Polemology → Military affairs |
| IDS | Initiative de Défense Stratégique | In French | → Military affairs |
| IDSA | Institute for Defense Studies and Analyses | In English | → Research institutes → Polemology → Military affairs |
| IDSNET | Integrated Defense System Network | In English | → Military affairs → Military engineering → Networks, communication |
| IGAENR | Inspection Générale de l'Administration de l'Éducation | In French | → Central administration → Education |
| IGB | Inspection Générale des Bibliothèques | In French | → Libraries |
| IGEN | Inspection Générale de l'Éducation Nationale | In French | → Central administration → Education |
| IGF | Inspection Générale des Finances | In French | → Finance |
| IGPN | Inspection Générale de la Police Nationale | In French | → Police → Central administration |
| IGS | Inspection Générale des Services | In French | |
| IHESI | Institut des Hautes Études de la Sécurité Intérieure | In French | → Police |
| IIPA | Indian Institute of Public Administration | In English | |
| IPA | International Police Association | In English | → Associations → Police |
| IPA | Institute of Public Affairs | In English | → Politics |
| IPAG | Institut de Préparation à l'Administration Générale | In French | → Education |
| IPTM | Institute of Police Technology and Management | In English | → Specialized or (poly)technical colleges → Police |
| IRA | Institut Régional d'Administration | In French | → Education |
| IRAS | Inland Revenue Authority of Singapore | In English | |
| IRD | Inland Revenue Department | In English | → Economics → Central administration |
| IRS | Internal Revenue Service | In English | |
| ISMP | Institut Supérieur de Management Public | In French | → Management |
| ITPE | Ingénieur des Travaux Publics de l'État | In French | → Central administration → Civil engineering |
| IULO | International Union of Local Authorities | In English | → Organizations and associations → Municipal administration |
| JA | Jugoslavenska armija | In Croatian | → Military affairs |
| JAN | Joint Army-Navy | In English | → Military affairs → 359 |
| JANNAF | Joint Army, Navy, NASA, Air Force | In English | → Military affairs → Spaceflight engineering, astronautics |
| JNA | Jugoslavenska narodna | In Croatian | → Military affairs |
| JPO | Japan Patent Office (www.jpo.go.jp) | In English | → Central administration → Industrial property |
| KA | Kommunala arbetsmarknadsverket |
In Swedish | → Labour, labour economics → Municipal administration |
| KFS | Kommunala Företagens Samorganisation | In Swedish | → Organizations and associations → 351 |
| KGB | Komitet Gosoedarstvennoj Bezopasnosti = КГБ | Комитет Государственной Безопасности | In Russian |
In Russian | |
| KPRM | Kancelaria Prezesa Rady Ministrów (www.kprm.gov.pl) | In Polish | → Central administration |
| KRGE | Kongreß der Gemeiden und Regionen Europas | In German | → Organizations and associations → Municipal administration |
| KT | Kunnallinen työmarkkinalaitos | In Finnish | → Organizations and associations → Labour, labour economics → Municipal administration |
| KVL | Kunnallisvirkamiesliitto | In Finnish | → Organizations and associations → 351 |
| LEA | Local Education Authority | In English | → Education |
| LGI | Local Government and Public Service Reform Initiative | In English | → Municipal administration |
| LGRB | Landesamt für Geologie, Rohstoffe und Bergbau | In German | → Regional administration → Earth sciences → Mining |
| LNV | Ministerie van Landbouw, Natuur en Voedselkwaliteit (www.minlnv.nl) | In Dutch | → Central administration → Agricultural sciences → Nature and society |
| LOLF | Loi Organique relative aux Lois de Finances | In French | → Economics |
| LPS | Laboratoire de Police Scientifique | In French | → Research institutes → Police |
| LVF | Légion des Volontaires Français | In French | → Military affairs → History |
| MADR | Ministère de l'Agriculture et du Développement Rural | In French | → Central administration → Agricultural sciences → Regional planning |
| MAE | Ministerul Afacerilor Externe | In Romanian | → Central administration → International relations |
| MAE | Ministère des Affaires Étrangères | In French | → Central administration → International relations |
| MAFF | Ministry of Agriculture, Food and Fisheries | In English | → Central administration → Agricultural sciences → Fishing, hunting → Food technology |
| MAI | Ministerul Administraţiei şi Internelor | In Romanian | → Central administration |
| MAINC | Ministère des Affaires Indiennes et du Nord Canada | In French | → Central administration |
| MAPDR | Ministerul Agriculturii, Pădurilor şi Dezvoltării Rurale | In Romanian | → Central administration → Agricultural sciences |
| MApn | Ministerul Apărării Naţionale | In Romanian | → Central administration |
| MARAD | Maritime Administration (www.marad.dot.gov) | In English | → Central administration → 6295 → Transport and postal services |
| MCC | Ministerul Culturii şi Cultelor | In Romanian | → Central administration → Civilization, culture, progress → Religion, theology |
| MCTI | Ministerul Comunicaţiilor şi Tehnologiei Informaţiei | In Romanian | → Computer science → Central administration → Telecommunications |
| MDDEP | Ministère du Développement Durable, de l'Environnement et des Parcs du Québec | In French | → Central administration → Nature → Environment, environmental sciences |
| MEC | Ministerul Economiei şi Comerţului | In Romanian | → Central administration → Economics → Trade |
| MEC | Ministerul Educaţiei şi Cercetării | In Romanian | → Central administration → Education → Research policy |
| MEC | Ministerio de Educación, Cultura y Deporte | In Spanish | → Central administration → Education → Civilization, culture, progress |
| MEDD | Ministère de l'Écologie et du Développement Durable | In French | → Central administration → Nature and society |
| MEE | Ministère de l'Environnement et de l'Eau | In French | → Central administration → Nature and society → Hydrology → 627, |
| MEGA | Master Européen de Gouvernance et d'Administration | In French | → Higher education, universities |
| MEN | Ministerstwo Edukacji Narodowej (www.ms.gov.pl) | In Polish | → Central administration → Education |
| MENESR | Ministère de l'Éducation Nationale, de l'Enseignement Supérieur et de la Recherche | In French | → Central administration → Education → Research policy |
| MESR | Ministère de l'Enseignement Supérieur et de la Recherche | In French | → Central administration → Education → Research policy |
| MET | Ministère (wallon) de l'Équipement et des Transports | In French | → Central administration → Civil engineering → Transport and postal services |
| METI | Ministry of Economy, Trade and Industry | In English | → Central administration → Trade → Industry, industrial policy |
| MFP | Ministerul Finanţelor Publice | In Romanian | → Central administration → Public finance |
| MGK | Millî Güvenlik Kurulu (www.mgk.gov.tr) | In Turkish | → International relations → Military affairs |
| MHRA | Medicines and Healcare products Regulatory Agency | In French | → Public health and hygiene |
| MIBAC | Ministero per i Beni e le Attività Culturali (www.beniculturali.it) | In Italian | → Central administration → Civilization, culture, progress |
| MICI | Ministerio de Comercio e Industrias | In Spanish | → Central administration → Industry, industrial policy → Trade |
| MICIP | Ministerio de Comercio Exterior, Industrialización, Pesca y Competitividad | In Spanish | → Central administration → Trade → Industry, industrial policy → Fishing, hunting |
| MIE | Ministerul Integrării Europene | In Romanian | → International relations → Central administration |
| MILAD | Mission de Lutte Anti-Drogue | In French | |
| MILS | Mission Interministérielle pour la Lutte contre les Sectes | In French | → Central administration → Religion, theology |
| MINEFI | MINistère de l’Économie, des Finances et de l’Industrie | In French | → Central administration → Economics → Finance → Industry, industrial policy |
| MINEFI | MINistère de l'Économie et des FInances | In French | → Economics → Central administration |
| MIRE | MIssion Régionale de Revitalisation Économique | In French | → Regional administration → Economics → Regional planning |
| MIRES | Mission Interministérielle de Recherche et d'Enseignement Supérieur | In French | → Education → Mathematics and natural sciences |
| MIRIADE | Mission Régionale pour l’Innovation et l’Action de Développement Économique | In French | → Research policy → Regional administration → Industry, industrial policy |
| MISE | Mission InterServices de l'Eau | In French | → Hydrology |
| MITI | Ministry of International Trade and Industry | In English | → Central administration → Trade → Industry, industrial policy |
| MIVD | Militaire Inlichtingen en Veiligheids Dienst | In Dutch | → Military affairs |
| MIVILUDES | Mission interministérielle de vigilance et de lutte contre les dérives sectaires | In French | → Central administration → Religion, theology |
| MJS | Ministère de la Jeunesse et des Sports | In French | → Central administration → Sport, physical exercises |
| MKiDN | Ministerstwo Kultury i Dziedzictwa Narodowego (www.mk.gov.pl) | In Polish | → Central administration → Civilization, culture, progress |
| MMGA | Ministerul Mediului şi Gospodăririi Apelor | In Romanian | → Central administration |
| MMM | Maa- ja metsätalousministeriö (www.mmm.fi) | In Finnish | → Central administration |
| MMSSF | Ministerul Muncii, Solidarităţii Sociale şi Familiei | In Romanian | → Central administration → Social aid |
| MOC | Marine Operation Center | In English | → 359 |
| MOf | Monitorul Oficial | In Romanian | → Serial publications, periodicals |
| MOFA | Ministry of Food and Agriculture | In English | → Central administration → Agricultural sciences → Food technology |
| MOG | Marktordnungsgesetz | In German | |
| MPA/MC | Master in Public Administration/Mid-Career | In English | → Specialized or (poly)technical colleges |
| MPA2 | Master in Public Administration | In English | → Higher education, universities |
| MPAC | Muslim Public Affairs Council | In English | → Islam |
| MPAID | Master in Public Administration in International Development | In English | → Development → Higher education, universities |
| MPAJ | Muslim Public Affairs Journal | In English | → Serial publications, periodicals → Islam |
| MPI | Midi-Pyrénées Innovation | In French | → Regional administration → Engineering, technology |
| MPM | Marseille Provence Metropole | In French | |
| MPP | Master in Public Policy | In English | → Higher education, universities |
| MRI | Ministère des Relations Internationales | In French | → Central administration → International relations |
| MS | Ministerul Sănătăţii | In Romanian | → Central administration → Public health and hygiene |
| MS | Ministerstwo Sprawiedliwości (www.ms.gov.pl) | In Polish | → Central administration → Law, jurisprudence |
| MT | Ministerul Transporturilor, Construcţiilor şi Turismului | In Romanian | → Central administration → Transport and postal services → Building → Tourism |
| MTQ | Ministère des Transports du Québec | In French | → Central administration → Transport and postal services |
| MUAHAG | Military Usage and Harmonization Advisory Group | In English | → Military affairs |
| MUNEE | Municipal Networks for Energy Efficiency | In English | → Energy economics |
| MURCEF | Mesures Urgentes de Réformes à Caractère Économique et Financier | In French | → Economics |
| MVPEI | Ministarstvo vanjskih poslova i europskih integracija | In Croatian | → Central administration → International relations |
| MZOS | Ministarstvo znanosti, obrazovanja i športa | In Croatian | → Central administration |
| NAP | Noyautage des Administrations Publiques | In French | → History |
| NAS | Naval Air Station | In English | → Aeronautics, aircraft |
| NASA | National Aeronautics and Space Administration (www.nasa.gov) | In English | → Central administration → Astronomy → Aeronautics, aircraft → 6297 |
| NASDA | National Space Development Agency | In English | → Central administration → Astronomy → Spaceflight engineering, astronautics |
| NASDA | National Association of State Departments of Agriculture (www.nasda.org) | In English | → Associations → Regional administration → Agricultural sciences |
| NDA | National Decommissioning Authority | In English | → Nuclear technology |
| NDFU | National Document Fraud Unit | In English | → Police |
| NERSA | National Energy Regulator of South Africa (www.ner.org.za) | In English | → Central administration → Energy economics |
| NGA | National Governors Association | In English | → Associations |
| NGA | National Geospatial-Intelligence Agency | In English | → Central administration → Spaceflight engineering, astronautics |
| NHTSA | National Highway Traffic Safety Administration (www.nhtsa.dot.gov) | In English | → Central administration → Transport and postal services |
| NHWA | National Highway Administration | In English | → Central administration → Transport and postal services |
| NKVD | Narodnîi Komissariat Vnutrennih Del = НКВД | Народный комиссариат внутренних дел | In Russian |
In Russian | |
| NNOA | (The) National Naval Officers Association (www.nnoa.org) | In English | → Associations → 359 |
| NNSA | National Nuclear Security Administration | In English | → Central administration → Nuclear technology |
| NOA | Naval Officer's Associations | In English | → Associations → 359 |
|