| internal-combustion engine | moteur à explosion |
| internalisation of external costs | internalisation des coûts externes |
| Internalism and externalism | Externalisme |
| international | international |
| International Accounting Standards Committee | International Accounting Standards Committee |
| International adoption | Adoption internationale |
| International Agency for Research on Cancer | Centre international de recherche sur le cancer |
| international agreement | accord international |
| International agreement or convention | Traité |
| International Air Transport Association | Association internationale du transport aérien |
| International Air Transport Association airport code | Code AITA |
| International Alphabet of Sanskrit Transliteration | IAST |
| international assistance | aide internationale |
| International Association of Athletics Federations | International Association of Athletics Federations |
| International Association of Conference Interpreters | Association internationale des interprètes de conférence |
| International Association of Lighthouse Authorities | Association internationale de la signalisation maritime |
| International Association of Nitrox and Technical Divers | International Association of Nitrox and Technical Divers |
| International Astronomical Union | Union astronomique internationale |
| International Astronomical Youth Camp | International Astronomical Youth Camp |
| International Atomic Energy Agency | Agence internationale de l'énergie atomique |
| International Atomic Time | Temps atomique international |
| International auxiliary language | Langue auxiliaire internationale |
| International Baccalaureate | Baccalauréat international |
| International Baccalaureate Organization | Organisation du Baccalauréat International |
| international balance | équilibre international |
| International Bank for Reconstruction and Development | Banque internationale pour la reconstruction et le développement |
| International Baseball Federation | Fédération internationale de baseball |
| International Basketball Federation | Fédération internationale de basket-ball amateur |
| International Biathlon Union | Union internationale de biathlon |
| International Boxing Federation | IBF |
| International Boxing Hall of Fame | International Boxing Hall of Fame |
| International Brigades | Brigades internationales |
| International Bureau for the Revolutionary Party | Bureau international pour le parti révolutionnaire |
| International Bureau of Weights and Measures | Bureau international des poids et mesures |
| International Business Machines | International Business Machines Corporation |
| International Candlelight Vigil Memorial | Vigile Internationale dans la Mémoire des Victimes du SIDA |
| International Canoe Federation | Fédération internationale de canoë |
| International Centre for Settlement of Investment Disputes | Centre international pour le règlement des différends relatifs aux investissements |
| International Churches of Christ | Église internationale du Christ |
| International Civil Aviation Organization | Organisation de l'aviation civile internationale |
| International Civil Aviation Organization airport code | Liste des préfixes des codes OACI des aéroports |
| International civil servant | Fonctionnaire international |
| International Classification of Diseases for Oncology | Classification internationale des maladies oncologiques |
| International Classification of Primary Care | Classification internationale des soins primaires |
| international co-operation | coopération internationale |
| International Coalition for the Decade | Coordination internationale pour la Décennie |
| International Code of Botanical Nomenclature | Code international de nomenclature botanique |
| International Code of Nomenclature for Cultivated Plants | Code international pour la nomenclature des plantes cultivées |
| International Code of Signals | Code international des signaux maritimes |
| International Code of Zoological Nomenclature | Code international de nomenclature zoologique |
| International Color Consortium | International Color Consortium |
| International Commission on Radiological Protection | Commission internationale de protection radiologique |
| International Commission on Stratigraphy | International Commission on Stratigraphy |
| International Commission on Zoological Nomenclature | Commission internationale de nomenclature zoologique |
| International Committee for Weights and Measures | Comité international des poids et mesures |
| International Committee of the Fourth International | Quatrième Internationale |
| International Committee of the Red Cross | Comité international de la Croix-Rouge |
| International Communist Current | Courant communiste international |
| International Communist Party | Parti communiste international |
| International community | Communauté internationale |
| international competitiveness | compétitivité internationale |
| International Confederation of Free Trade Unions | Confédération internationale des syndicats libres |
| international conflict | conflit international |
| International Congress of Mathematicians | Congrès international de mathématiques |
| international convention | convention internationale |
| International Convention for the Safety of Life at Sea | Solas |
| International Correspondence Chess Federation | International Correspondence Chess Federation |
| International Council for Science | Conseil international pour la science |
| International Council on Monuments and Sites | Conseil international des monuments et des sites |
| International Court of Justice | Cour internationale de justice |
| International Covenant on Civil and Political Rights | Pacte international relatif aux droits civils et politiques |
| International Cricket Council | International Cricket Council |
| International Criminal Court | Cour pénale internationale |
| International Criminal Tribunal for Rwanda | Tribunal pénal international pour le Rwanda |
| International Cup | Coupe intercontinentale |
| International Date Line | Ligne de changement de date |
| International Democrat Union | Union démocratique internationale |
| International Development Association | Association internationale de développement |
