| C-reactief proteïne | CRP |
| C-Terminus | C-terminus |
| CA Osasuna | CA Osasuna |
| Caan | Caen |
| cabaret | kabaret |
| Cabinda | Cabinda |
| Cabo da Roca | Kap Roca |
| Cabra | Ged |
| cabrio | cabriolet |
| cabriolet | cabriolet |
| cacao | chokolade |
| cacaoboom | kakao |
| cacaoboon | kakaobønne |
| cacaoboter | kakaosmør |
| cacaopoeder | kakao |
| Cache | Cache |
| Cachoeira do Sul | Cachoeira do Sul |
| cactus | kaktus |
| Cactusfamilie | Kaktus-familien |
| Cadbury Schweppes | Schweppes |
| cadeau | gave |
| cadmium | kadmium |
| Cadmiumpigment | Cadmium |
| Caen | Caen |
| Caesalpiniaceae | Kassia-familien |
| Caesalpinioideae | Kassia-familien |
| Caesar | Cæsar |
| Caesarea | Operation Guds Vrede |
| Caesars Palace | Caesars Palace |
| cafeïne | koffein |
| café | café |
| Cagliari | Cagliari |
| cahier | skrivehæfte |
| Cairnterriër | Cairnterrier |
| Cairo | Kairo |
| Caisson | Caisson |
| Cajun | Cajun |
| Cajun-Frans | Cajun |
| Cajón | Cajón |
| cake | kage |
| Cakile | Strandsennep |
| Calabrië | Calabrien |
| Calais | Calais |
| Calceolaria | Tøffelblomst |
| Calceolariaceae | Tøffelblomst-familien |
| calcium | kalcium |
| Calciumcarbide | Carbid |
| Calciumcarbonaat | Calciumcarbonat |
| Calciumchloride | Kalciumklorid |
| Calciumnitraat | Calciumnitrat |
| calculator | lommeregner |
| Calcutta | Calcutta |
| Calder Memorial Trophy | Calder Memorial Trophy |
| Caledonië | Skotland |
| Calgary | Calgary |
| Calgary Flames | Calgary Flames |
| Cali | Kali |
| Caliban | Caliban |
| Californische condor | Amerikanske gribbe og kondorer |
| californium | californium |
| Californië | Californien |
| Caligae | Caliga |
| Caligula | Caligula |
| Calisota | Calisota |
| Call of Duty | Call of Duty |
| Callao | Lima |
| Calligrafie | Kalligrafi |
| Callirrhoë | Callirrhoe |
| Callisto | Callisto |
| calorie | kalorie |
| Calorische waarde | Nedre brændværdi |
| Calvados | Calvados |
| Calvi | Calvi |
| Calvijn | Jean Calvin |
| Calvin Coolidge | Calvin Coolidge |
| Calvin Klein | Calvin Klein |
| Calvincyclus | Calvin-cyklus |
| Calvinisme | Calvinisme |
| Calypso | Calypso |
| cam | webkamera |
| Cama | Seng |
| Camargue | Camarguedeltaet |
| Cambodja | Cambodja |
| Cambridge | Cambridge |
| Cambrische explosie | Kambriske Eksplosion |
| Cambrium | Kambrium |
| Camcorder | Videokamera |
| CamelCase | CamelCase |
| Camelia | Kamelia |
| Camelidae | Kameler og lamaer |
| Camelot | Camelot |
| Cameltoe | Kameltå |
| Cameo | Gæsteoptræden |
| camera | kamera |
