| clignoteur | blinker |
| climactisch | climactic |
| climatisch | climatic |
| climax | climax |
| Climaxvegetatie | Climax vegetation |
| Clinceni | Clinceni |
| clinch | clinch |
| Clingen | Clingen |
| Cliniclowns | Clown Care |
| Clinofobie | Clinophobia |
| Clinohumiet | Clinohumite |
| Clinoptiloliet | Clinoptilolite |
| Clinozoisiet | Clinozoisite |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clinton Davisson | Clinton Davisson |
| Clintoniet | Clintonite |
| Clio | Clio |
| Cliometrie | Cliometrics |
| clip | clip |
| clipart | clip art |
| Clipperton | Clipperton Island |
| Clisthenes van Athene | Cleisthenes |
| Clisthenes van Sicyon | Cleisthenes of Sicyon |
| Clitias | Kleitias |
| clitoris | clitoris |
| Clitus | Cleitus the Black |
| Clive Barker | Clive Barker |
| Clive Burr | Clive Burr |
| Clive Owen | Clive Owen |
| Clive Sinclair | Clive Sinclair |
| Clivia | Clivia |
| cliënt | customer |
| cliënteel | patronage |
| cliëntèle | clientele |
| cloaca | sewer |
| Cloaca Maxima | Cloaca Maxima |
| Cloacadieren | Monotreme |
| Clobetasol | Clobetasol propionate |
| clochard | tramp |
| Clodia | Clodia |
| Clodius Albinus | Clodius Albinus |
| Cloelia | Cloelia |
| Cloisonnisme | Cloisonnism |
| Clolonel | Clandestine Insurgent Rebel Clown Army |
| Clonazepam | Clonazepam |
| Clone Wars | The Clone Wars |
| Clonmel | Clonmel |
| Clopidogrel | Clopidogrel |
| Cloppenburg | Cloppenburg |
| Clorazepaat | Clorazepate |
| Clorazepinezuur | Clorazepate |
| Clos de Vougeot | Clos Vougeot |
| Clos-Lucé | Clos Lucé |
| Close Encounters of the Third Kind | Close Encounters of the Third Kind |
| Close reading | Close reading |
| Close to Home | Close to Home |
| close-up | close-up |
| Closed source | Closed source software |
| closet | bathroom |
| closetpapier | toilet-paper |
| closetrol | toilet roll |
| Clostridium tetani | Clostridium tetani |
| Clotenus | Clotenus |
| Clothilde van Frankrijk | Clothilde of France |
| Clothildis | Clotilde |
| Clotho | Clotho |
| Clothoïde | Fresnel integral |
| Clotilde van Saksen-Coburg-Gotha | Clothilde Marie von Sachsen-Coburg-Saalfeld |
| Cloud City | Cloud City |
| Cloud Strife | Cloud Strife |
| Clouseau | Clouseau |
| Clovis | Clovis |
| Clovis I | Clovis I |
| Clovis II | Clovis II |
| Clovis III | Clovis III |
| Clovis IV | Clovis IV |
| Cloviscultuur | Clovis culture |
| clown | clown |
| Clownbotia | Clown loach |
| club | society |
| Club Africain | Club Africain |
| Club América | Club América |
| Club Athlétique Bizertin | Club Athlétique Bizertin |
| Club Atlético Belgrano de Córdoba | Club Atlético Belgrano |
| Club Atlético Bella Vista | Club Atlético Bella Vista |
