| Iris Murdoch | Iris Murdoch |
| Iris oratoria | Iris |
| Iris orjenii | Iris orjenii |
| Iris versicolor | Iris versicolore |
| Irisbus Citelis | Citelis |
| Irish | Irlandais |
| Irish American | Irlando-Américains |
| Irish breakfast | Petit déjeuner anglais |
| Irish Brigade | Brigade irlandaise |
| Irish Citizen Army | Irish Citizen Army |
| Irish Civil War | Guerre civile irlandaise |
| Irish coffee | Irish-coffee |
| Irish Confederate Wars | Guerres confédérées irlandaises |
| Irish cuisine | Cuisine irlandaise |
| Irish dance | Danse irlandaise |
| Irish Elk | Megaloceros giganteus |
| Irish Football Association | Association irlandaise de football |
| Irish Gaelic | irlandais |
| Irish Horse | Hunter irlandais |
| Irish language | Irlandais |
| Irish literature | Littérature irlandaise |
| Irish moss | Chondrus |
| Irish mythology | Mythologie celtique irlandaise |
| Irish National Liberation Army | Irish National Liberation Army |
| Irish nationalism | Nationalisme culturel irlandais |
| Irish people | Irlandais |
| Irish poetry | Poésie irlandaise |
| Irish pound | Livre irlandaise |
| Irish Republic | République irlandaise |
| Irish Republican Army | IRA |
| Irish Republican Brotherhood | Irish Republican Brotherhood |
| Irish round tower | Tour ronde |
| Irish Rugby Football Union | Irish Rugby Football Union |
| Irish Sea | Mer d'Irlande |
| Irish stew | Irish stew |
| Irish Stock Exchange | Irish Stock Exchange |
| Irish theatre | Théâtre irlandais |
| Irish Traveller | Travellers |
| Irish Volunteers | Irish Volunteers |
| Irish whiskey | Irish whiskey |
| Irishman | Irlandais |
| Irishmen | Irlandais |
| Irishwoman | Irlandaise |
| Iriswoman | Irlandaise |
| Iriver | IRiver |
| IRIX | Irix |
| irk | ennuyer |
| irksome | ingrat |
| Irkutsk | Irkoutsk |
| Irkutsk Airport | Irkoutsk |
