| Cashpoint machine | Guichet automatique bancaire |
| Casimir | Casimir |
| Casimir effect | Effet Casimir |
| Casimir Funk | Kazimierz Funk |
| Casimir Gzowski | Casimir Stanislaus Gzowski |
| Casimir I of Poland | Casimir Ier le Restaurateur |
| Casimir II of Poland | Casimir II le Juste |
| Casimir III of Poland | Casimir III de Pologne |
| Casimir IV Jagiellon | Casimir IV Jagellon |
| Casimir IV of Pomerania | Casimir IV de Poméranie |
| casino | casino |
| Casino Royale | Casino Royale |
| Casino token | Jetons de casino |
| Casinos | Casinos |
| Casio | Casio |
| Casio Exilim | Casio Exilim |
| Casiquiare canal | Canal de Casiquiare |
| cask | fût |
| casket | coffret |
| Caslano | Caslano |
| Caspar | Gaspard |
| Caspar David Friedrich | Caspar David Friedrich |
| Caspar de Crayer | Gaspar De Crayer |
| Caspar Friedrich Wolff | Caspar Friedrich Wolff |
| Caspar Wessel | Caspar Wessel |
| Casper | Gaspard |
| Casper Meets Wendy | Casper et Wendy |
| Casper the Friendly Ghost | Casper le gentil fantôme |
| Casper Van Dien | Casper Van Dien |
| Caspian | caspien |
| Caspian Gull | Goéland pontique |
| Caspian Sea | mer Caspienne |
| Caspian Seal | Phoque de la Caspienne |
| Caspian tern | Sterna caspia |
| Casque-headed Treefrogs | Trachycephalus |
| Cass County | Comté de Cass |
| Cassago Brianza | Cassago Brianza |
| Cassander | Cassandre de Macédoine |
| Cassandra | Cassandre |
| Cassandra Peterson | Cassandra Peterson |
| Cassandreia | Cassandréia |
| Cassard class frigate | Classe Cassard |
| cassation | cassation |
| cassava | cassave |
| Cassegrain antennas | Antenne Cassegrain |
| Cassegrain focus | Foyer Cassegrain |
| Cassegrain reflector | Télescope de type Cassegrain |
| Cassegrain telescope | Telescope Cassegrain |
| Cassel | Cassel |
| casserole | timbale |
| cassette | cassette |
| cassette deck | lecteur de cassettes |
