| cartridge | cartouche |
| cartridge case | douille |
| cartwheel | roue |
| cartwright | charron |
| Carum | Carum |
| caruncle | caroncule |
| Carus | Carus |
| Carvaka | Chârvâka |
| carve | sculpter |
| carver | sculpteur |
| Carver-Hawkeye Arena | Miami Arena |
| Carvetii | Carvetii |
| Carvin | Carvin |
| carving knife | couteau à découper |
| Carvone | Carvone |
| carwoman | conductrice |
| Cary Elwes | Cary Elwes |
| Cary Grant | Cary Grant |
| carya | carya |
| caryatid | cariatide |
| Caryocar | Caryocar |
| Caryophyllaceae | Dianthaceae |
| caryophyllaceous | caryophyllé |
| Caryophyllales | Caryophyllales |
| Caryophyllidae | Caryophyllidae |
| Caryopteris | Caryopteris |
| Carè Alto | Carè Alto |
| CAS registry number | Numéro CAS |
| Casa Batlló | Casa Batlló |
| Casa da Música | Casa da Música |
| Casa de Contratación | Casa de Contratación |
| Casa Estrella del Benfica | FC Casa do Benfica |
| Casa Grande Ruins National Monument | Casa Grande Ruins National Monument |
| Casa Malaparte | Villa Malaparte |
| Casa Milà | Casa Milà |
| Casa Ricordi | Casa Ricordi |
| Casablanca | Casablanca |
| Casablanca Stock Exchange | Bourse de Casablanca |
| Casalmaggiore | Casalmaggiore |
| Casalpusterlengo | Casalpusterlengo |
| Casamance | Casamance |
| Casamance Conflict | Conflit en Casamance |
| Casamance River | Casamance |
| Casanare Department | Casanare |
| Casanova | Casanova |
| Casarano | Casarano |
| cascade | chute |
| Cascade Locks | Cascade Locks |
| Cascade Range | Chaîne des Cascades |
| Cascade showers | Gerbe en cascade |
| Cascadia | Cascadia |
| Cascading Style Sheets | Feuilles de style en cascade |
| Cascais | Cascais |
| cascarilla | cascarille |
| Cascia | Cascia |
| case | affaire |
| Case Blue | Opération Fall Blau |
| case harden | aciérer |
| case history | anamnèse |
| case in point | parfait |
| Case modding | Tuning PC |
| Case of doubt | Cas douteux |
