| FSIP | Fonds de Soutien aux Industries de Programmes | In French | → Public finance |
| FSIR | Fonds Spécial d'Investissement Routier | In French | → Public finance → Civil engineering and land transport → Transport and postal services |
| FSL | Fonds de Solidarité pour le Logement | In French | → Public finance → Accommodation |
| FSLSA | Fédération des Sociétés Luxembourgeoises des Sports Athlétiques | In French | → Organizations and associations → Sport, physical exercises |
| FSN | Fédération Suisse des Notaires | In French | → Organizations and associations → Law, jurisprudence |
| FSO | Forfait de Salle d'Opération | In French | → Surgery, orthopaedics, ophthalmology |
| FSP | Fédération Suisse des Psychologues = FSP | Föderation der Schweizer Psychologinnen und Psychologen | In German |
In French | → Organizations and associations → Psychology |
| FSP | Fonds de Solidarité Prioritaire | In French | → Development |
| FST | Faculté des Sciences de Tunis | In French | → Specialized or (poly)technical colleges → Mathematics and natural sciences |
| FSTT | Faculté des Sciences et Techniques de Tanger | In French | → Higher education, universities → Mathematics and natural sciences → Applied sciences, technology |
| FSU | Fédération Syndicale Unitaire | In French | → Labour, labour economics |
| FSV | Fonds de Solidarité Vieillesse | In French | → Insurance |
| FT | Facteur Tissulaire | In French | → Biological sciences |
| FT | Finance & Technologie | In French | → Finance → Engineering, technology |
| FTI | Fondation pour les Terrains Industriels | In French | → Industry, industrial policy |
| FTP | Francs-Tireurs Partisans | In French | → Political parties and movements → History |
| FTPF | Francs-Tireurs et Partisans Français | In French | → Political parties and movements → History |
| FUJP | Front Uni des Jeunesses Patriotiques | In French | → Political parties and movements → History |
| FULBI | Fédération des Utilisateurs de Logiciels de Bibliothèque | In French | → Organizations and associations → Libraries → Computer science |
| FUNDP | Facultés Universitaires Notre-Dame de la Paix | In French | → Higher education, universities |
| FV | Force de Vente | In French | → Trade |
| FVJC | Fédération Vaudoise des Jeunesses Campagnardes | In French | → Organizations and associations |
| FVM | Fédération des Villes Moyennes | In French | → Organizations and associations → Municipal administration |
| FVO | Farine de Viande et d'Os | In French | → Agricultural sciences |
| G | Guanine = G | Guanin | In German = G | Guanino | In Esperanto = G | Guanina | In Spanish = G | グアニン | In Japanese = G | גואנין | In Hebrew = G | جوانين | In Arabic = G | Гуанин | In Russian |
In French | → Biochemistry, biophysics |
| G | Glycine = G | Glycine | In English = G | গ্লাইসিন | In Bengali = G | Glicina | In Catalan = G | Glycin | In Czech = G | Glycin | In Danish = G | Glycin | In German = G | Glicina | In Spanish = G | Glicino | In Esperanto = G | 글리신 | In Korean = G | Glicin | In Croatian = G | Glisin | In Indonesian = G | Glicina | In Italian = G | גליצין | In Hebrew = G | Glicīns | In Latvian = G | Glycin | In Letzeburgesh = G | Glicinas | In Lithuanian = G | Glicin | In Hungarian = G | Glycine | In Dutch = G | グリシン | In Japanese = G | Glycin | In Norwegian = G | Glicyna | In Polish = G | Glicina | In Portuguese = G | Глицин | In Russian = G | Глицин | In Serbian = G | Glisin | SU = G | Glysiini | In Finnish = G | Glycin | In Swedish = G | Glisin | In Turkish = G | Гліцин | In Ukrainian = G | 甘氨酸 | In Chinese |
In French | → Biochemistry, biophysics |
| G1J | Génopole 1er jour | In French | → Biotechnology |
| G2E | Géologie, Eau et Environnement | In French | → Education → Environment, environmental sciences → Earth sciences |
| G3L | Groupe pour la promotion de GNU/Linux et des Logiciels Libres | In French | → Organizations and associations → Software → Operating systems |
| GA | Gymnastique Artistique | In French | → Sport, physical exercises |
| GACO | Gestion Administrative et Commerciale | In French | → Management → Economics |
| GAEO | Groupe Armement de l'Europe Occidentale = WEAO | Western European Armaments Organisation | In English |
In French | → Organizations and associations → Military engineering |
| GAICPI | Groupe d'Action Interpol contre la Criminalité de la Propriété Intellectuelle | In French | → Industrial property |
| GALAAD | Géométrie, ALgèbre, Algorithmes | In French | → 5105 → Algebra → Geometry |
| GAM | Groupe Archéologique du Mesmontois | In French | → Organizations and associations → Archeology |
| GANIL | Grand Accélérateur National à Ions Lourds | In French | → Physics |
| GAPMO | Gestion Appliquée aux Petites et Moyennes Organisations | In French | → Management → Economics |
| GAQ | Groupe d’Amélioration de la Qualité | In French | → Quality management |
| GART | Groupement des Autorités Responsables des Transports | In French | → Organizations and associations → Transport and postal services |
| GART | Groupement des Autorités Responsables de Transports | In French | → Organizations and associations → Public administration, government → Transport and postal services |
| GBO | Groupement Belge des Omnipraticiens | In French | → Organizations and associations → Medicine |
| GBS | Groupement Belge des Spécialistes | In French | → Organizations and associations → Medicine |
| GC | Génie Civil | In French | → Civil engineering → Building |
| GCh | Génie Chimique | In French | → Chemical technology |
| GCN | Groupe Combustible Nucléaire | In French | → Nuclear technology |
| GCP | Gestion intégrée des Cycles de Projet | In French | |
| GCR | Gardes Civiques Républicaines | In French | |
| GCRAI | Groupe Consultatif pour la Recherche Agronomique Internationale | In French | → Organizations and associations → Biological sciences → Agricultural sciences |
| GDEF | Grand Dictionnaire Estonien Français | In French | → Dictionaries → Linguistics |
| GDF | Gaz de France (www.gazdefrance.com) | In French | → Energy economics |
| GDN | Gestion Numérique des Droits = DRM | Digital Rights Management | In English |
In French | → Document processing → Industrial property → Artistic property |
| GEA | Gestion des Entreprises et des Administrations | In French | → Management → Economics → Public administration, government |
| GEA | Groupe des Écoles Aéronautiques et spatiales | In French | → Organizations and associations → Specialized or (poly)technical colleges → Aeronautics, aircraft → 6297 |
| GECT | Groupement Européen de Coopération Transfrontalière = GEKT | Grupoj Eŭropaj je Koopero Teritoria | In Esperanto = PSI | Paul Scherrer Institut | In German |
In French | → Organizations and associations → International relations |
| GED | Gestion Électronique des Documents = EDM | Electronic Document Management | In English = GED | Gerenciamento Eletrônico de Documentos | In Portuguese = GED | Gestão Electrónica de Documentos | In Portuguese |
In French | → Document processing → Knowledge management → Libraries |
| GEDEM | Groupement des Éditeurs et Diffuseurs d’Éducatif Multimédia (www.gedem.org) | In French | → Organizations and associations → Computer science → Education → Cinema, movies |
| GEE | Groupement des Enseignants Espérantophones | In French | → Education → Language, linguistics, literature |
| GEH | Groupe d’Exploitation Hydraulique | In French | → Energy economics |
| GEIDE | Gestion Électronique de l'Information ou de Documents Existants | In French | → Document processing → Knowledge management |
| GEIE | Groupement Européen d'Intérêt Économique | In French | → Economics → European Union |
| GEII | Génie Électrique et Informatique Industrielle | In French | → Computer science → Electrical engineering |
| GEIPI | Groupement d'Écoles d'Ingénieurs à Préparation Intégrée | In French | → Organizations and associations → Specialized or (poly)technical colleges → Engineering, technology |
| GELA | Groupe d'Étude des Lymphomes de l'Adulte | In French | → Oncology |
| GELAHN | Groupe des Enseignants de Langues Anciennes de Normandie | In French | → Organizations and associations → Education → Linguistics |
| GEM | Glomérulonéphrite extra-membraneuse | In French | → Pathology |
| GEMA | Groupement des Entreprises Mutuelles d'Assurances | In French | → Organizations and associations → Insurance |
| GEMPPM | Groupe d'Études de Métallurgie Physique et de Physique des Matériaux | In French | → Research institutes → Physics → Metallurgy |
| GEOD | Groupe d'Étude sur l'Oral et le Dialogue | In French | → Linguistics |
| GEP | Génie Électrique et des Procédés | In French | → Electrical engineering → Chemical technology |
| GER | Générateurs Électro-Radiologiques (www.ger-int.com) | In French | → Veterinary medicine → Electrical engineering |
| GER | Groupe Estrie-Richelieu (www.ger.qc.ca) | In French | → Insurance |
| GERCO | Grand Équipement de Recherche sur les Composants et Ouvrages du bâtiment | In French | → Building |
| GERME | Groupe d'Études et de Recherche sur les Mouvements Étudiants | In French | |
| GERME | Groupe d'Études sur l'Ethnicité, le Racisme, les Migrations, et l'Exclusion | In French | → Migrations → Sociology |
| GERPAC | Groupe d'Évaluation et de Recherche sur la Protection en Atmosphère Contrôlée | In French | → Organizations and associations → Pharmacology, toxicology |
| GERRA | Groupe d'Ergonomie de la Région Rhône-Alpes | In French | |
| GES | Gaz à Effet de Serre | In French | → Meteorology, climatology |
| GESAC | Groupement Européen des Sociétés d'Auteurs et Compositeurs (www.gesac.org) | In French | → Organizations and associations → Literature → Music → Artistic property |
| GESTE | Groupement des Éditeurs de Services en Ligne | In French | |
| GET | Groupe des Écoles de Télécommunications (www.get-telecom.fr) | In French | → Organizations and associations → Specialized or (poly)technical colleges → Telecommunications |
| GET | Groupe d’Exploitation Transport | In French | → Electrical engineering |
| GET | Groupe des Écoles des Télécommunications | In French | → Organizations and associations → Specialized or (poly)technical colleges → Telecommunications |
| GF | Groupe Franc | In French | → 355 → History |
| GFC | Groupe Français de la Céramique | In French | → Organizations and associations → 666 |
| GFESS | Gaz de France Energy Supply & Solutions | In French | → Energy economics |
| GFEV | Groupe Français d'Étude des Vascularites | In French | → Organizations and associations → Blood and circulatory system → Pathology |
| GFI | Groupe des Fédérations Industrielles (www.industrie-gfifrance.com) | In French | → Organizations and associations → Industry, industrial policy |
| GFII | Groupement Français de l'Industrie de l'Information | In French | → Organizations and associations → Libraries |
| GFM | Gélatine Fluide Modifiée | In French | → Blood and circulatory system |
| GGC | Groupe Génétique et Cancer | In French | → Research institutes → Genetics → Oncology |
| GGF | La Gérance Générale Foncière | In French | → Accommodation → Electrical engineering |
| GHM | Groupe Hersant Médias | In French | → Telecommunications → Graphic industries, printing, publishing |
| GIA | Groupe Islamique Armé | In French | → Islam → Political parties and movements |
| GICT | Gestion Individuelle du Contrat de Travail | In French | → Labour, labour economics |
| GIDE | Gestion de l'Information et de la Documentation en Entreprise | In French | → Document processing → Knowledge management → Libraries |
| GIE | Groupement d'Intérêt Économique | In French | → Organizations and associations → Economics |
| GIE-SIPS | Groupement d'Intérêt Économique - Système d'Infomation sur les Produits de Santé | In French | → Organizations and associations → Pharmacology, toxicology |
| GIFAM | Groupement Interprofessionnel des Fabricants d'Appareils d'Équipement Ménager | In French | → Organizations and associations → Engineering, technology |
| GIGN | Groupe d'Intervention de la Gendarmerie Nationale | In French | → Public administration, government |
| GIM | Génie Industriel et Maintenance | In French | → Maintenance and logistics → Engineering, technology |
| GIMELEC | Groupement des Industries de Matériels d’Équipement Électrique et de l’Électronique industrielle associée | In French | → Organizations and associations → Electrical engineering → Electronics |
| GIMR | Groupe Ingénierie et Maintenance Réseaux | In French | → Electrical engineering |
| GIP | Groupement d'Intérêt Public | In French | → Organizations and associations → Politics |
| GIP-SIM | Groupement Interprofessionnel de Promotion des Systèmes d'Information Médico-sociale | In French | → Organizations and associations |
| GIRCEP | Groupement des Industries et Centres de Recherche en Électronique de Puissance | In French | → Organizations and associations → Electrical engineering |
| GIS | Groupement d'Intérêt Scientifique | In French | → Organizations and associations → Mathematics and natural sciences |
| GIS-MRGenCi | Groupement d'Intérêt Scientifique pour la Maîtrise des Risques en Génie Civil | In French | |
| GITEP | Groupement des Industries de Télécommunications et d'Électronique Professionnelle | In French | → Organizations and associations → Electronics → Telecommunications |
| GITEP TICS | Groupement des Industries des Technologies de l'Information et de la Communication | In French | → Organizations and associations → Computer science → Telecommunications" |
| GITOYEN | Groupement d'Intérêt Économique Citoyen | In French | |
| GITT | Groupement des Industries du Transport et du Tourisme | In French | → Organizations and associations → Tourism → Transport and postal services |
| GIVE | Groupe Interministériel sur le Véhicule Électrique | In French | → Central administration → Vehicle engineering |
| GLECS | Groupe Linguistique d'Études Chamito-Sémitiques | In French | → Language, linguistics, literature |
| GLFA | Groupement des Lamineurs et Fileurs d'Aluminium | In French | → Organizations and associations → Metallurgy |
| GLNR | Gaz Liivré Non Relevé | In French | → Energy economics |
| GLT | Gestion Logistique et Transport | In French | → Maintenance and logistics → Transport and postal services |
| GMAO | Gestion de la Maintenance Assistée par Ordinateur | In French | → Maintenance and logistics → Computer-based techniques |
| GMF | Garantie mutuelle des fonctionnaires | In French | |
| GMI | Groupement des Métiers de l’Imprimerie | In French | → Organizations and associations → Graphic industries, printing, publishing |
| GMP | Génie Mécanique et Productique | In French | → Mechanical engineering |
| GMR | Groupe Mobile de Réserve | In French | → Police |
| GMR | Groupes Mobiles de Réserve | In French | → 355 → History |
| GMULL | Groupe Mareuillais d'Utilisateurs de Logiciels Libres | In French | → Software |
| GN | Glomérulonéphrite | In French | → Pathology |
| GNA | Glomérulonéphrite aiguë | In French | → Pathology |
| GNC | Glomérulonéphrite chronique | In French | → Pathology |
| GNCR | Groupement National des Cinémas de Recherche (www.cinemas-de-recherche.com) | In French | → Organizations and associations → Cinema, movies |
| GNL | Gaz Naturel Liquefié | In French | → Energy economics → Chemical technology |
| GNRP | Glomérulonéphrite rapidement progressive | In French | → Pathology |
| GNV | Gaz Naturel Véhicule | In French | → Energy economics → Vehicle engineering |
| GNV | Gaz Naturel pour les Véhicules | In French | → Vehicle engineering |
| GONLO | Groupe d'Optique Non-Linéaire et d'Optoélectronique | In French | → Optics → Electronics |
| GPAO | Gestion de Production Assistée par Ordinateur | In French | → Computer-based techniques → Engineering, technology |
| GPL | Groupe des Pingouins Libres | In French | → Organizations and associations → Operating systems |
| GPL | Gaz de Pétrole Liquéfié | In French | → Vehicle engineering → 665 |
| GPL | Gaz Pétrole Liquéfié | In French | → Energy economics → Chemical technology |
| GPR | Groupe Permanent chargé des Réacteurs nucléaires | In French | → Organizations and associations → Nuclear technology |
| GPRF | Gouvernement Provisoire de la République Française | In French | → Public administration, government → History |
| GQA | Groupe des Questions Atomiques | In French | → Organizations and associations → Nuclear, atomic, and molecular physics → Nuclear technology |
| GR | Grande Randonnée | In French | → Sport, physical exercises |
| GR | (Chemin de) Grande Randonnée | In French | → Sport, physical exercises |
| GR | Gymnastique Rythmique | In French | → Sport, physical exercises |
| GRAL | Groupement Réunionnais des Amis de Linux | In French | → Organizations and associations → Operating systems |
| GRASS | Groupe d'Analyse du Social et de la Sociabilité | In French | → Research institutes → Sociology |
| GRC | Gendarmerie Royale du Canada | In French | → Police |
| GRC | Gestion de la Relation Client = CRM | Customer Relationship Management | In English |
In French | → Economics |
| GRCE | Groupe de Recherche en Communication Écrite | In French | → Language, linguistics, literature |
| GRCE | Groupe national de Recherche en Communication Écrite | In French | → Document processing |
| GRECO | Groupement d'Études Coordonnées | In French | → Organizations and associations |
| GREG | Groupement de Recherche et d'Études sur le Génome | In French | → Genetics |
| GREMI | Groupe de Réflexion sur l'Enseignement des Méthodologies de l'Information | In French | → Organizations and associations → Libraries → Education |
| GRESICO | Groupe d'Étude en Santé, Travail, Information et Comportements | In French | → Sociology → Labour, labour economics → Medicine |
| GRETh | Groupement pour la Recherche sur les Échangeurs Thermiques | In French | → Applied sciences, technology |
| GRETIA | Génie des Réseaux de Transport et Informatique Avancée | In French | → Computer science → Transport and postal services |
| GREZ | Groupe de Recherches et d'Études sur le Zen | In French | → Philosophy, psychology |
| GRIM | Groupe de Recherche en Informatique et Mathématiques | In French | → Organizations and associations → Computer science → Mathematics |
| GRISELI | Dispositif National d'Accès à la Littérature Grise | In French | → Knowledge management → Libraries |
| GRM | Garde Républicaine Mobile | In French | → Police |
| GRMC | Groupement de Radiodiffusion Monégasque | In French | → Telecommunications |
| GRP | Grande Gandonnée de Pays | In French | → Sport, physical exercises |
| GRRT | Groupement Régional Nord Pas-de-Calais pour la Recherche dans les Transports | In French | → Organizations and associations → Transport and postal services |
| GRS | Gymnastique Rythmique et Sportive | In French | → Sport, physical exercises |
| GrUB | Groupe d'utilisateurs borains | In French | → Organizations and associations → Operating systems |
| GSI | Génie des Systèmes Industriels | In French | |
| GSO | Gaz du Sud-Ouest | In French | → Energy economics |
| GSPC | Groupe Salafiste pour la Prédication et le Combat | In French | → Islam → Political parties and movements |
| GSS | (Syndrome de) Gertsman-Straüssler-Scheinker | In French | → Pathology |
| GTE | Génie Thermique et Énergie | In French | → Thermodynamics → Energy economics |
| GTF | Groupement des Transporteurs Français | In French | → Organizations and associations → Transport and postal services |
| GTi | Groupe de Travail interministériel | In French | → Central administration |
| GTM | Genre, Travail, Mobilités | In French | → Sociology |
| GTPB | Groupe de Traitement de la Parole et de Biométrie | In French | → Computer-based techniques → Linguistics |
| GTR | Génie des Télécommunications et des Réseaux | In French | → Networks, communication → Telecommunications |
| GTR | Groupe des Transporteurs Routiers | In French | → Organizations and associations → Transport and postal services |
| GTVE | Groupe de Travail sur la Vérification Environnementale | In French | → Nature and society → Environment, environmental sciences |
| GU4L | Groupe des Utilisateurs de Logiciels Libres Léo Lagrange | In French | → Organizations and associations → Software |
| GUL | Groupes d'Utilisateurs de Linux = LUG | Linux Users' Groups | In English |
In French | → Organizations and associations → Operating systems |
| GULAT | Groupe d'utilisateur de Linux de l'Abitibi-Témiscamingue | In French | → Organizations and associations → Operating systems |
| GULG | Groupe des Utilisateurs du Libre en Guyane | In French | → Organizations and associations → Software |
| GULiDef | Groupe des Utilisateurs de Linux dans la Défense | In French | → Organizations and associations → Operating systems → Military engineering |
| GULLH | Groupe des Utilisateurs de Logiciels Libres au Havre | In French | → Organizations and associations → Software |
| GULLIVER | Groupe des Utilisateurs de Linux et des Logiciels libres d'Ille et Vilaine et Environs de Rennes | In French | → Software → Operating systems |
| GuLSE | Groupe des Utilisateurs Linux de Saint-Eustache et des environs | In French | → Organizations and associations → Operating systems |
| GULUQ | Groupe d'Utilisateurs Linux de l'Université du Québec | In French | → Organizations and associations → Operating systems |
| GULUS | Groupe d'utilisateurs de Linux de l'Université de Sherbrooke | In French | → Organizations and associations → Operating systems |
| GUML | Groupement des Utilisateurs Mauriciens de Linux | In French | → Organizations and associations → Operating systems |
| GVN | Grand Versailles Numérique (www.gvn.chateauversailles.fr) | In French | → Museums → Computer simulation |
| H | Histidine = H | Histidine | In English = H | Histidin | In Bosnian = H | Histidina | In Catalan = H | Histidin | In Czech = H | Histidin | In German = H | Histidina | In Spanish = H | Histidino | In Esperanto = H | 히스티딘 | In Korean = H | Histidin | In Croatian = H | Histidin | In Indonesian = H | Istidina | In Italian = H | היסטידין | In Hebrew = H | Histidīns | In Latvian = H | Histidin | In Letzeburgesh = H | Histidinas | In Lithuanian = H | Hisztidin | LU = H | Histidine | In Dutch = H | ヒスチジン | In Japanese = H | Histidin | In Norwegian = H | Histydyna | In Polish = H | Histidina | In Portuguese = H | Гистидин | In Russian = H | Histidiini | In Finnish = H | Histidin | In Swedish = H | Histidin | In Turkish = H | Гістидин | In Ukrainian = H | 組氨酸 | In Chinese |
In French | → Biochemistry, biophysics |
| H | Hydrogène = H | Waterstof | In Afrikaans = H | هيدروجين | In Arabic = H | Hidróxenu | In Asturian = H | Hidrogen | In Azerbaijani = H | Wassastoff | BAR = H | Вадарод | In Belarusian = H | Водород | In Bulgarian = H | হাইড্রোজেন | In Bengali = H | Hidrogen | In Breton = H | Vodonik | In Bosnian = H | Hidrogen | In Catalan = H | Idroheno | CEB = H | Idrogenu | In Corsican = H | Vodík | In Czech = H | Водород | In Chuvash = H | Hydrogen | In Welsh = H | Brint | In Danish = H | Wasserstoff | In German = H | Υδρογόνο | In Greek = H | Hydrogen | In English = H | Hidrogeno | In Esperanto = H | Hidrógeno | In Spanish = H | Vesinik | In Estonian = H | Hidrogeno | In Basque = H | هیدروژن | In Persian = H | Vety | In Finnish = H | Hydrogen | In Faroese = H | Idrogjen | In Friulian = H | Hidrigin | In Irish = H | Haidreagain | GD = H | Hidróxeno | In Galician = H | હાઈડ્રોજન | GU = H | מימן | In Hebrew = H | हाइड्रोजन | In Hindi = H | Vodik | In Croatian = H | Idwojèn | HT = H | Hidrogén | In Hungarian = H | Ջրածին | In Armenian = H | Hydrogeno | In Interlingua = H | Hidrogen | In Indonesian = H | Hidrogeno | In Ido = H | Vetni | In Icelandic = H | Idrogeno | In Italian = H | 水素 | In Japanese = H | წყალბადი | In Georgian = H | អ៊ីដ្រូសែន | KM = H | ಜಲಜನಕ | KN = H | 수소 | In Korean = H | Hîdrojen | In Kurdish = H | Hydrogenium | In Latin = H | Waasserstoff | In Letzeburgesh = H | Waterstof | LI = H | Idrògen | In Lombard = H | Idrojɛ́ní | In Lingala = H | Vandenilis | In Lithuanian = H | Ūdeņradis | In Latvian = H | Hauwai | In Māori = H | Водород | In Macedonian = H | ഹൈഡ്രജന് | In Malayalam = H | Устөрөгч | In Mongolian = H | हायड्रोजन | MR = H | Hidrogen | In Malay = H | Āyōcoxqui | En Nahuatl = H | Waterstoff | NDS = H | Waterstof | In Dutch = H | Hydrogen | In Nynorsk = H | Hydrogen | In Norwegian = H | Hidrogene | NOV = H | Idrogèn | In Occitan = H | Hiidrojen | PIH = H | Wodór | In Polish = H | Hidrogénio | In Portuguese = H | Yakuchaq | In Quechua = H | Hidrogen | In Romanian = H | Водород | In Russian = H | हाइड्रोजन | In Sanskrit = H | Idrògginu | In Sicilian = H | Vodik | In Serbo-Croatian = H | Vodík | In Slovak = H | Vodik | In Slovenian = H | Hidrogjeni | SQ = H | Водоник | In Serbian = H | Hidrogén | SU = H | Väte | In Swedish = H | Hidrojeni | In Swahili = H | ஹைட்ரஜன் | In Tamil = H | హైడ్రోజన్ | TE = H | Ҳидроген | In Tajik = H | ไฮโดรเจน | In Thai = H | Idroheno | In Tagalog = H | Hidrojen | In Turkish = H | Водень | In Ukrainian = H | آبگر | UR = H | Vodorod | In Uzbek = H | Hiđrô | In Vietnamese = H | Woaterstof | VLS = H | Idrodjinne | In Walloon = H | 氢 | WUU = H | היידראזשן | In Yiddisch = H | 氢 | In Chinese |
In French | → Chemistry |
| HAL | Hyper Article en Ligne | In French | → Libraries |
| HALDE | Haute Autorité de Lutte contre les Discriminations et pour l'Égalité | In French | → Fundamental rights |
| HBM | Habitation à Bon Marché | In French | → Accommodation |
| HCCI | Haut Conseil de la Coopération Internationale | In French | → Organizations and associations → International relations |
| HCFC | Hydrochlorofluorocarbone | In French | → Chemistry → Chemical technology |
| HCM | Hémoglobine Corpusculaire Moyenne = MCH | Mean Corpuscular Haemoglobin | In English |
In French | → Blood and circulatory system |
| HCSP | Haut Comité de la Santé Publique | In French | → Public health and hygiene |
| HCST | Haut Conseil de la Science et de la Technologie | In French | → Mathematics and natural sciences → Engineering, technology |
| HDR | Habilitation à Diriger des Recherches | In French | → Research policy |
| He | Hélium = He | Helium | In English = He | Helium | In German = He | Гелій | In Belarusian = He | Хелий | In Bulgarian = He | Heli | In Catalan = He | Helijum | In Czech = He | Eliu | In Corsican = He | হিলিয়াম | In Bengali = He | Heliwm | In Welsh = He | Ήλιο | In Greek = He | Helio | In Spanish = He | Heliumo | In Esperanto = He | هيليوم | In Arabic = He | Heelium | In Estonian = He | هلیوم | In Persian = He | הליום | In Hebrew = He | હીલિયમ | GU = He | Eli | In Friulian = He | Héiliam | In Irish = He | हीलियम | In Hindi = He | Elyòm | HT = He | Հելիում | In Armenian = He | Helín | In Icelandic = He | ヘリウム | In Japanese = He | ჰელიუმი | In Georgian = He | 헬륨 | In Korean = He | Hêlyûm | In Kurdish = He | Haumāmā | In Māori = He | Хелиум | In Macedonian = He | Eliyúmu | In Lingala = He | Éli | In Lombard = He | ഹീലിയം | In Malayalam = He | हेलियम | MR = He | Хелијум | In Serbian = He | Гелий | In Russian = He | Heliu | In Romanian = He | Tōnatiuyoh | En Nahuatl = He | Ilyu | In Quechua = He | ஹீலியம் | In Tamil = He | Гелій | In Ukrainian = He | 氦 | In Chinese = He | Geliy | In Uzbek = He | ฮีเลียม | In Thai |
In French | → Chemistry |
| HEC | École des Hautes Études Commerciales du Maroc | In French | → Higher education, universities → Economics |