| climatisch | klimatisch |
| climax | Gipfel |
| Climaxvegetatie | Klimaxvegetation |
| Climbach | Climbach |
| clinch | Clinch |
| Clinch County | Clinch County |
| Clingen | Clingen |
| Clinozoisiet | Klinozoisit |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clinton County | Clinton County |
| Clinton Davisson | Clinton Davisson |
| Clio | Klio |
| Cliometrie | Kliometrie |
| clip | Clip |
| Clipper | Clipper |
| Clipperton | Clipperton-Insel |
| Clisthenes van Athene | Kleisthenes von Athen |
| Clisthenes van Sicyon | Kleisthenes von Athen |
| Clitias | Klitias |
| Cliticum | Klitika |
| Clitoridectomie | Beschneidung weiblicher Genitalien |
| clitoris | Kitzler |
| Clitorishoed | Klitorisvorhaut |
| Clitus | Kleitos |
| Clive Barker | Clive Barker |
| Clive Burr | Clive Burr |
| Clive Owen | Clive Owen |
| Clive Sinclair | Clive Sinclair |
| Clivia | Klivien |
| cliënt | Kunde |
| cliënteel | Kundschaft |
| Cliëntelisme | Klientelismus |
| cliëntèle | Kundschaft |
| cloaca | Kloake |
| Cloaca Maxima | Cloaca Maxima |
| Cloacadieren | Kloakentiere |
| Clobetasol | Clobetasolpropionat |
| clochard | Clochard |
| Clodia | Clodia |
| Clodius Albinus | Clodius Albinus |
| Cloelia | Cloelia |
| Cloisonnisme | Cloisonnismus |
| Clolonel | Clownarmee |
| Clomifeen | Clomifen |
| Clonazepam | Clonazepam |
| Clonmel | Clonmel |
| Clopidogrel | Clopidogrel |
| Cloppenburg | Landkreis Cloppenburg |
| Clorazepaat | Clorazepat |
| Clorazepinezuur | Clorazepat |
| Clorinda | Clorinda |
| Clos de Vougeot | Clos de Vougeot |
| Clos-Lucé | Schloss Clos Lucé |
| Close Encounters of the Third Kind | Unheimliche Begegnung der dritten Art |
| Close reading | Erläuterung |
| Close to Home | Close to Home |
| close-up | Nahaufnahme |
| Closed source | Closed Source |
| closet | Klosett |
| closetpot | Toilettenschüssel |
| closetrol | Rolle Toilettenpapier |
| Closter | Closter |
| Clostridium | Clostridien |
| Clostridium tetani | Clostridium tetani |
| Clothilde van Frankrijk | Clothilde von Frankreich |
| Clothildis | Chlothilde von Burgund |
| Clotho | Klotho |
| Clothoïde | Klothoide |
| Clotilde van Saksen-Coburg-Gotha | Clothilde Marie von Sachsen-Coburg-Saalfeld |
| Clouange | Clouange |
| Cloud County | Cloud County |
| Cloud Strife | Cloud Strife |
| Clover | Clover |
| Clovis | Clovis |
| Cloviscultuur | Clovis-Kultur |
| clown | Clown |
| Clownbotia | Prachtschmerle |
| Clozapine | Clozapin |
| club | Verein |
| Club Africain | Club Africain Tunis |
| Club América | Club América |
| Club Athlétique Bizertin | Club Athlétique Bizertin |
| Club Atlético Belgrano de Córdoba | Club Atlético Belgrano |
| Club Bolívar | Club Bolívar |
| Club Brugge | FC Brügge |
| Club Cola | Club-Cola |
| Club Deportivo El Nacional | CD El Nacional |
| Club Deportivo Universidad Católica | Club Deportivo Universidad Católica |
| Club Nacional de Football | Nacional Montevideo |
| Club Olimpia Asunción | Olimpia Asunción |
| Club Sport Emelec | CS Emelec |
| Club Sportif de Hammam-Lif | Club Sportif de Hammam-Lif |
| Club Sportif Sfaxien | CS Sfax |
| Club Tigres | UANL Tigres |
| Club Toluca | Deportivo Toluca |
| club van automobilisten | Allgemeiner Deutscher Automobilklub |
| Club van Rome | Club of Rome |
| Clube Náutico Capibaribe | Clube Náutico Capibaribe |
| clubhuis | Klubhaus |
| Clublid | Mitglied eines Klubs |
| clubsandwich | doppeltes Sandwich |
| Clucy | Clucy |
| Cluedo | Cluedo |
| Clugin | Clugin |
| Cluj | Bezirk Cluj |
| Cluj-Napoca | Cluj-Napoca |
| Cluj-Napoca International Airport | Flughafen Cluj-Napoca |
| Clumberspaniël | Clumber Spaniel |
| Cluny | Cluny |
| Clupea | Echte Heringe |
| Clupeidae | Heringe |
| Cluses | Cluses |
| Clusiafamilie | Clusiaceae |
| Clusone | Clusone |
| cluster | Cluster |
