| Clotaire II | Chlothar II |
| Clotaire III | Chlothar III |
| Clotaire IV | Chlothar IV |
| Clotho | Clotho |
| Clothoïde | Fresnel integral |
| Clotilde | Clotilda |
| Clotilde de France | Clothilde of France |
| Clotilde de Saxe-Cobourg-Kohary | Clothilde Marie von Sachsen-Coburg-Saalfeld |
| clou | highlight |
| clou de girofle | clove |
| Clou de Metz | Chlodulf of Metz |
| clou sans tête | brad |
| clou à souliers | hobnail |
| clou étêté | brad |
| clouer | pin |
| Clouseau | Clouseau |
| Clouski | Kluski |
| cloué au lit | bedridden |
| Clovertown | Intel Core |
| Clovis | Clovis |
| Clovis Dardentor | Clovis Dardentor |
| Clovis Ier | Clovis I |
| Clovis II | Clovis II |
| Clovis III | Clovis III |
| Clovis IV | Clovis IV |
| clown | clown |
| Clown maléfique | Evil clown |
| clownerie | clowning |
| clowneries | buffoonery |
| cloître | cloister |
| Cloîtrer dans | Shut away in |
| cloîtré | isolated |
