| International Earth Rotation and Reference Systems Service | International Earth Rotation and Reference Systems Service |
| international economic law | droit international économique |
| International economics | Économie internationale |
| International Electrotechnical Commission | Commission électrotechnique internationale |
| International English | Anglais international |
| international environmental relations | relations internationales pour l'environnement |
| International Federation for Equestrian Sports | Fédération équestre internationale |
| International Federation of American Football | Fédération internationale de football américain |
| International Federation of Journalists | Fédération internationale des journalistes |
| International Federation of Red Cross and Red Crescent Societies | Fédération internationale des Sociétés de la Croix-Rouge et du Croissant-Rouge |
| International Fellowship of Reconciliation | International Fellowship of Reconciliation |
| International Finance Centre | Two International Finance Center |
| International Finance Corporation | Société financière internationale |
| International Financial Reporting Standards | International Financial Reporting Standards |
| International Fixed Calendar | Calendrier fixe |
| International Flavors and Fragrances | International Flavors and Fragrances |
| International Football Association Board | International Board |
| International for Munich | Munich |
| International Frederick Chopin Piano Competition | Concours international de piano Frédéric-Chopin |
| International Freedom of Expression Exchange | International Freedom of Expression Exchange |
| International Fund for Agricultural Development | Fonds international de développement agricole |
| International Gamers Award | International Gamers Awards |
| International Geophysical Year | Année géophysique internationale |
| International Handball Federation | Fédération internationale de handball |
| international harmonisation | harmonisation internationale |
| International Hockey League | Ligue internationale de hockey |
| International humanitarian law | Droit international humanitaire |
| International Hydrographic Organization | Organisation hydrographique internationale |
| International Ice Hockey Federation | Fédération internationale de hockey sur glace |
| International Institute for Democracy and Electoral Assistance | International IDEA |
| International Institute for Research and Education | Institut International pour la Recherche et la Formation |
| International Institute for the Sociology of Law | Institut international de sociologie du droit |
| International Island Games Association | Jeux des Îles |
| International Judo Federation | Fédération internationale de judo |
| International Labor Organization | Organisation internationale du travail |
| International Labour | Organisation internationale du travail |
| International Labour Organization | Organisation internationale du travail |
| international law | droit international |
| International League | Ligue internationale |
| International League of Religious Socialists | Ligue internationale des socialistes religieux |
| International Lease Finance Corporation | ILFC |
| International Lesbian and Gay Association | International Lesbian and Gay Association |
| International Libertarian Solidarity | Solidarité internationale libertaire |
| International liquidity | Liquidité international |
| International Lutheran Council | Église Évangélique Luthérienne Synode de France et de Belgique |
| International Maritime Organization | Organisation maritime internationale |
| International Master | Maître international |
| International Material Data System | IMDS |
| International Mathematical Olympiad | Olympiades internationales de mathématiques |
| International Mathematical Union | Union mathématique internationale |
| International Mobile Satellite Organization | Inmarsat |
| International Moneta | Fonds monétaire international |
| International Monetary Fund | FMI |
| international Morse code | morse |
| International Mother Language Day | Journée internationale de la langue maternelle |
| International Motorsports Hall of Fame | Temple de la renommée international Motorsports |
| International Music Score Library Project | International Music Score Library Project |
| International Narcotics Control Board | Organe international de contrôle des stupéfiants |
| International Nomenclature of Cosmetic Ingredients | INCI |
| International Nonproprietary Name | Dénomination commune internationale |
| International Nuclear Event Scale | Echelle Internationale des évènements nucléaires |
| International Obfuscated C Code Contest | International Obfuscated C Code Contest |
| International observance | Journée internationale |
| International of Anarchist Federations | Internationale des fédérations anarchistes |
| International Olympic Committee | Comité international olympique |
| international organisation | organisation internationale |
| International organization | Organisation intergouvernementale |
| International Organization for Migration | Organisation Internationale pour les Migrations |
| International Organization for Standardization | Organisation internationale de normalisation |
| International Paneuropean Union | Pan-Europe |
| International Paralympic Committee | Comité international paralympique |
| International Peace Bureau | Bureau international permanent de la paix |
| International Peace Prize | Prix international de la paix |
| International PEN | PEN club |
| International Phonetic Alphabet | Alphabet phonétique international |
| International Phonetic Association | Association phonétique internationale |
| International Physicians for the Prevention of Nuclear War | Association internationale des médecins pour la prévention de la guerre nucléaire |
| International Physics Olympiad | Olympiades Internationales de Physique |
| International Plant Protection Convention | Convention internationale pour la protection des végétaux |
| International Polar Year | Année polaire internationale |
| international politics | politique internationale |
| International Potato Center | Centre international de la pomme de terre |
| International Press Telecommunications Council | International Press Telecommunications Council |
| International Psychoanalytical Association | International Psychoanalytical Association |
| International Red Cross and Red Crescent Movement | Mouvement international de la Croix-Rouge et du Croissant-Rouge |
| International Refugee Organization | Organisation internationale pour les réfugiés |
| International Regulations for Preventing Collisions at Sea | Règlement international pour prévenir les abordages en mer |
| international relations | relation internationale |
| International relations theory | Relations internationales |
| International Republican Institute | International Republican Institute |
| International Rescue Committee | International Rescue Committee |
| International Revolutionary Marxist Centre | Centre marxiste révolutionnaire international |
| International Rice Research Institute | Institut international de recherche sur le riz |
| International Rugby Hall of Fame | Temple international de la renommée du rugby |
| international safety | sécurité internationale |
| International Science Olympiad | Olympiades internationales de sciences |
| International Secretariat of the Fourth International | Secrétariat unifié |
| International Sign | Gestuno |
| International Skating Union | International Skating Union |
| International Ski Federation | Fédération internationale de ski |
| International Society for Krishna Consciousness | Association internationale pour la conscience de Krishna |
| International Sociological Association | Association internationale de sociologie |
| International Space Station | Station spatiale internationale |
| International Standard Atmosphere | Atmosphère type OACI |
| International Standard Bibliographic Description | International standard bibliographic description |
| International Standard Book Number | ISBN |
| International Standard Classification of Occupations | ISCO |
| International Standard Music Number | ISMN |
| International Standard Recording Code | ISRC |
| International Standard Serial Number | ISSN |
| international standardisation | normalisation internationale |
| International Statistical Classification of Diseases and Related Health Problems | Classification internationale des maladies |
| International student | Ryûgakusei |
| International Student Festival in Trondheim | Festival International Etudiant à Trondheim |
| International style | Style international |
| International Swaps and Derivatives Association | International Swaps and Derivatives Association |
| International Swimming Federation | Fédération internationale de natation |
| International System of Units | Système international d'unités |
| International Talk Like a Pirate Day | International Talk Like a Pirate Day |
| International Tchaikovsky Competition | Concours international Tchaïkovski |
| International Telecommunication Union | Union internationale des télécommunications |
| International Tennis Federation | Fédération internationale de tennis |
| International Tennis Hall of Fame | International Tennis Hall of Fame |
| International Theological Commission | Commission théologique internationale |
| International Tracing Service | Service international de recherches |
| international trade | commerce international |
| International Trade Union Confederation | Confédération syndicale internationale |
| international transaction | comparaison internationale |
| International Tribunal for the Law of the Sea | Tribunal international du droit de la mer |
| International Union for the Protection of New Varieties of Plants | Union pour la protection des obtentions végétales |
| International Union of Architects | Union internationale des architectes |
| International Union of Catholic Esperantists | Union internationale des espérantistes catholiques |
| International Union of Geodesy and Geophysics | Union géodésique et géophysique internationale |
| International Union of Geological Sciences | Union internationale des sciences géologiques |
| International Union of Public Transport | Union internationale des transports publics |
| International Union of Pure and Applied Chemistry | Union internationale de chimie pure et appliquée |
| International Union of Pure and Applied Chemistry nomenclature | Nomenclature IUPAC |
| International Union of Pure and Applied Physics | Union internationale de physique pure et appliquée |
| International Union of Railways | Union internationale des chemins de fer |
| International Union of Socialist Youth | Union internationale de la jeunesse socialiste |
| International unit | Unité internationale |
| International version | Version internationale |
| International Virtual Aviation Organization | International Virtual Aviation Organisation |
| international watercourse | cours d'eau international |
| International Whaling Commission | Commission baleinière internationale |
| International Workers Association | Association internationale des travailleurs |
