| interlineatura | espacement |
| interlingua | Interlingua |
| interlocutore | interlocuteur |
| interludio | intermezzo |
| intermediaria | intermédiaire |
| intermediario | intermédiaire |
| intermezzo | intermezzo |
| interminabile | sans fin |
| intermittente | intermittent |
| intermittenza | clignoter |
| Internal auditing | Audit interne |
| internalizzazione dei costi | internalisation des coûts externes |
| internamento | internement |
| internare | interner dans un hôpital psychiatrique |
| internare in un ospedale psichiatrico | interner dans un hôpital psychiatrique |
| internata | internée |
| International Accounting Standards | International Financial Reporting Standards |
| International Air Transport Association | Association internationale du transport aérien |
| International Association of Nitrox and Technical Divers | International Association of Nitrox and Technical Divers |
| International Astronomical Youth Camp | International Astronomical Youth Camp |
| International Biathlon Union | Union internationale de biathlon |
| International Color Consortium | International Color Consortium |
| International Council for Science | Conseil international pour la science |
| International Council on Monuments and Sites | Conseil international des monuments et des sites |
| International Earth Rotation and Reference Systems Service | International Earth Rotation and Reference Systems Service |
| International English Language Testing System | International English Language Testing System |
| International gamers award | International Gamers Awards |
| International Mobile Equipment Identity | International Mobile Equipment Identity |
| International Music Score Library Project | International Music Score Library Project |
| International of Anarchist Federation | Internationale des fédérations anarchistes |
| 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 Rugby Board Hall of Fame | Temple de la renommée IRB |
| International Rugby Hall of Fame | Temple international de la renommée du rugby |
| International Standard Bibliographic Description | International standard bibliographic description |
| International Tennis Hall of Fame | International Tennis Hall of Fame |
| International Union of Socialist Youth | Union internationale de la jeunesse socialiste |
| International Zetetic challenge | Défi zététique international |
| internato | interné |
| internazionale | international |
