| clef de sol | G-klav |
| Clef à molette | Bahco |
| Clef à ouverture variable | Bahco |
| clef à écrous | ryck |
| Cleistocactus | Cleistocactus |
| Clelia Barbieri | Clelia Barbieri |
| Clemens August von Galen | Clemens August von Galen |
| Clemens Brentano | Clemens Brentano |
| Clement Attlee | Clement Attlee |
| Clement Leroy Otter | Clement Leroy Otter |
| clepsydre | vattenur |
| clergé | prästerskap |
| Clermont-Ferrand | Clermont-Ferrand |
| Clervaux | Clervaux |
| Clethrionomys | Skogssorkar |
| Cletus Spuckler | Cletus Spuckler |
| Cleveland | Cleveland |
| Cleveland Bay | Cleveland Bay |
| clic | klick |
| clic-clac | bäddsoffa |
| Clichy | Clichy |
| Clichy-sous-Bois | Clichy-sous-Bois |
| cliché | kliché |
| client | kund |
| Client de messagerie | E-postprogram |
| client(e) | gäst |
| clientèle | klientel |
| Cliff Burton | Cliff Burton |
| Cliff Richard | Cliff Richard |
| Clifton | Clifton |
| Cliftonville FC | Cliftonville FC |
| cligner | blinka |
| cligner de l'œil | blinka |
| cligner des yeux | blinka |
| clignotant | flimmer |
| clignoter | blinka |
| climat | klimat |
| climat continental | kontinentalklimat |
| climat désertique | ökenklimat |
| climat montagnard | bergsklimat |
| climat méditerranéen | medelhavsklimat |
| climat océanique | havsklimat |
| climat social | socialt klimat |
| Climat tempéré | Tempererat klimat |
| Climat tropical | Tropiskt klimat |
| climat équatorial | ekvatorialt klimat |
| climatique | klimatisk |
| climatisation | luftkonditionering |
| climatiseur | luftkonditionering |
| climatisé | luftkonditionerad |
| climatologie | klimatologi |
| climatologiste | klimatolog |
| climatologue | klimatolog |
| climatère | klimakterium |
| climax | klimax |
| clin d'œil | ögonblick |
| clinique | klinik |
| clinique psychiatrique | mentalsjukhus |
| clinquant | glitter |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clinton Charter Township | Clinton |
| Clinton Joseph Davisson | Clinton Davisson |
| Clio | Klio |
| clip | klipp |
