| Cumulus cloud | Cumulus |
| Cumulus humilis cloud | Cumulus |
| Cun | Sun |
| Cunigunde of Luxembourg | Kunigunde |
| Cunningham | Cunningham |
| Cunninghamia | Cunninghamia |
| cunt | kusse |
| cup | kop |
| cup-bearer | mundskænk |
| Cup-leather | Lukker |
| cupboard | skab |
| Cupid | Cupido |
| Cupid and Psyche | Psyke |
| Cupids | Kærlighed |
| Cupressaceae | Cypres-familien |
| Cupressus | Cypres |
| Cupressus sempervirens | Cypres |
| cur | sjover |
| Curacao | Curaçao |
| Curaçao | Curaçao |
| Curaçao liqueur | Curaçao |
| Curaçoa | Curaçao |
| Curb Your Enthusiasm | Curb Your Enthusiasm |
| Curculionidae | Snudebiller |
| Curculioninae | Snudebiller |
| Curcuma | Gurkemeje |
| Curdy | Curdy |
| cure | behandle |
| Cure of souls | Præst © |
| curfew | udgangsforbud |
| Curia | Den romerske kurie |
| Curie | Curie |
| curiosity | nysgerrighed |
| curious | nysgerrig |
| Curitiba | Curitiba |
| curium | curium |
| Curling | Curling |
| Curly kale | Grønkål |
| currant | solbær |
| currency | mønt |
| current | aktuel |
| Current divider rule | Strømdeler |
| current events | aktuelle begivenheder |
| currently | i øjeblikket |
| currently living | boende |
| curriculum | studieplan |
| Curry | Karry |
| curry powder | karry |
| Curry Tree | Karry |
| curse | forbandelse |
| curtain | gardin |
| curve | sving |
| curved | bøjet |
| Cusco | Cusco |
| Cusco District | Cusco |
| Cusco Province | Cusco |
| Cusco Region | Cusco |
| cushion | pude |
| cusk | brosme |
| cuss | bande |
| custom | sædvane |
| custom house | told |
| customer | kunde |
| Customer relationship management | CRM |
| customize | skræddersy |
| customs | told |
| customs clerk | toldskriver |
| customs regulation | toldforskrift |
| customs tariff | toldtarif |
| cut | skære |
| Cut a tooth | Bægeret |
| Cut do | Klippe |
| cute | nuttet |
| Cute Poison | Alkymi |
| cutlery | bestik |
| Cuts Like a Knife | Bryan Adams |
| cutting | hugning |
| Cutting blade | Kniv |
| Cutting Crew | Cutting Crew |
| Cutting edges | Klippe |
| cuttlefish | blæksprutte |
| Cutty Sark DLR station | Cutty Sark |
| Cuzco | Cusco |
| CV | Curriculum vitæ |
| Cy Young Award | Cy Young-prisen |
| Cyan | Cyan |
| cyanate | cyanat |
| cyanide | cyanid |
| Cyanide of potassium | Cyankalium |
| cyanobacteria | blågrønalger |
| Cyathea | Træbregne |
| Cyatheales | Træbregne-ordenen |
| Cyaxares | Kyaxares |
| Cybele | Kybele |
| Cybercafé | Internetcafé |
| Cybernetics | Kybernetik |
| Cyberpunk | Cyberpunk |
| Cycadaceae | Cykas-ordenen |
| Cycadales | Cykas-ordenen |
| Cycas | Cykas |
| Cycas revoluta | Japansk Koglepalme |
| Cyclades | Kykladerne |
| cycle | cykel |
| Cycle graph | Cirkel |
| Cycle of the Scientific Investigation | Zyklus der Wissenschaftlichen Untersuchung |
| cycle path | cykelsti |
| Cycle race | Landevejsløb |
| Cycle racing | Cykling |
| Cyclic process | Termodynamisk kredsproces |
| cycling | cykle |
| cyclist | cyklist |
| Cyclizine | Cyclizin |
| Cyclo-cross | Cycle cross |
| cyclone | cyklon |
| Cyclone Sidr | Cyklonen Sidr |
| Cyclonic separation | Cyklon |
| Cyclonite | Cyclotrimethylenetrinitramine |
| Cyclop | Kyklop |
| Cyclop edia | Encyklopædi |
| Cyclopes | Kyklop |
| Cyclops | Kyklop |
| Cycnus | Svane |
| Cydonia oblonga | Kvæde |
| Cygninae | Svane |
| Cygnus | Svanen |
| Cygwin | Cygwin |
