| Congo | Congo |
| Congo River | Congofloden |
| Congo-Brazzaville | Republikken Congo |
| Congo-Kinshasa | Demokratiske Republik Congo |
| congratulate | gratulere |
| congratulations | tillykke |
| congregate | forsamles |
| congregation | menighed |
| Congregational | Kommune |
| Congregational church | Kongregationalisterne |
| Congregationalist church governance | Kongregationalisme |
| Congregationalist polity | Kongregationalisme |
| congress | kongres |
| Congress of Berlin | Berlinkonferencen |
| Congress of Vienna | Wienerkongressen |
| Congress participant | Kongresdeltager |
| Congridae | Havålfamilien |
| Coniacian | Cognac |
| Conic section | Keglesnit |
| conical | konisk |
| Conical flask | Erlenmeyerkolbe |
| Conical hill | Butte |
| Conical surface | Tap |
| conifer | nåletræer |
| coniferous forest | nåleskov |
| coniferous tree | nåletræ |
| Conium | Skarntyde |
| Conjuction | Konjunktion |
| conjugal | ægteskabelig |
| Conjugality | Ægteskab |
| Conjugated linoleic acid | Konjugeret linolsyre |
| conjunction | bindeord |
| conjurer | tryllekunstner |
| Conmbustion | Forbrænding |
| CONMEBOL | CONMEBOL |
| Conn Smythe Trophy | Conn Smythe Memorial Trophy |
| Connacht | Connacht |
| Connad Cerr | Connad Cerr |
| connect | forbinde |
| Connect Four | Fire på stribe |
| connect up | forbinde |
| connected | sammenhængende |
| connected component | sammenhængskomponent |
| Connectic | Elektrisk stik |
| Connecticut | Connecticut |
| Connecticut River | Connecticut |
| connection | forbindelse |
| connective tissue | bindevæv |
| Connemara | Connemara |
| Connemara pony | Connemara |
| Connie Nielsen | Connie Nielsen |
| connotation | konnotation |
| conquer | sejre |
| Conquer Online | Conquer Online |
| Conquistador | Conquistador |
| consanguinity | konsangvinitet |
| conscience | samvittighed |
| conscientious | samvittighedsfuld |
| Conscientious objection throughout the world | Militærnægter |
| conscientiousness | samvittighedsfuldhed |
| consciousness | bevidsthed |
| conscription | værnepligt |
| consecutive | fortløbende |
| Conseil de prévention et de lutte contre le dopage | Agence Française de Lutte contre le Dopage |
| consensus | konsensus |
| Consensus sequence | Konsensus |
| consent | enighed |
| consequence | følge |
| conservation | konservering |
| Conservation biology | Bevaringsøkologi |
| Conservation ethic | Fredning |
| conservation policy | bevarelsespolitik |
| Conservatism | Konservatisme |
| Conservative | Konservatisme |
| Conservative Judaism | Konservativ jødedom |
| Conservative Party | Konservative Parti |
| Conservative Party of Nicaragua | Konservative Parti |
| Conservative Party of Norway | Høyre |
| conserve | beholde |
| Consicousness | Viden |
| consider | betragte |
| consideration | overvejelse |
| consignee | modtager |
| consistency | følge |
| consolation | trøst |
| console | trøste |
| Console game | Computerspil |
| consonant | medlyd |
| Consort with | Omgås |
| conspiracy theory | konspirationsteori |
| Constable of France | Konstabel |
| Constalletion | Stjernebillede |
| Constance | Konstanz |
| Constaninus II | Konstantin II |
| Constans | Constans |
| Constantin Stanislavski | Konstantin Stanislavskij |
| Constantine | Konstantin |
| Constantine I | Konstantin den Store |
| Constantine II | Konstantin II |
| Constantine II of Scotland | Konstantin II |
| Constantino Zaballa | Constantino Zaballa |
| Constantinople | Konstantinopel |
| Constantius | Konstanz |
| Constantius Chlorus | Constantius I Chlorus |
| Constantius I Chlorus | Constantius I Chlorus |
| Constantius II | Constantius II |
| Constanze Mozart | Constanze Mozart |
| Constanţa | Constanţa |
| Constanţa County | Constanţa |
| Constellation | Stjernebillede |
| consternation | bestyrtelse |
| constipation | forstoppelse |
| Constitition | Fysik |
| constituency | valgkreds |
| Constituent assembly | Assemblée Nationale |
| constitution | forfatning |
| Constitution of Brazil | Mindsteløn |
| Constitution of Denmark | Danmarks Riges Grundlov |
| Constitution of Norway | Eidsvoll-forfatningen |
| Constitution of Portugal | Forfatning |
| Constitution of Sweden | Forfatning |
| Constitution State | Connecticut |
| Constitutional Democratic Party | Kadetpartiet |
| constitutional law | forfatningsret |
| constitutional monarchy | konstitutionelt monarki |
| constrain | begrænse |
| construct | bygge |
| Constructible number | Konstruerbare tal |
| Constructio | Konstruktion |
| construction equipment | bygge- og anlægsmateriel |
| construction noise | støj fra bygge- og anlægsarbejde |
| construction policy | bygge- og anlægspolitik |
| construction technology | bygningsteknologi |
| construction with recycled material | byggeri med genbrugsmaterialer |
| construction work | bygge- og anlægsarbejde |
| Constructive vote of no confidence | Rigsret |
| Constructivism in international relations | Konstruktivisme |
| Constructivist architecture | Konstruktivisme |
| Constructivist epistemology | Konstruktivisme |
| Consul | Consul |
| consulate | konsulat |
| consultancy | konsulentvirksomhed |
| consultant | konsulent |
| consultation | høring |
| consumer behaviour | forbrugeres adfærdsmønster |
| consumer goods | forbrugsvare |
| consumer group | forbrugerforening |
| consumer information | forbrugeroplysning |
| Consumer Prices | Inflation |
| consumer product | forbrugsvare |
| consumer protection | forbrugerbeskyttelse |
| consumer waste | forbrugsaffald |
| consumption | forbrug |
| consumption pattern | forbrugsmønster |
| contact | forbindelse |
| contact lens | kontaktlinse |
| contagiousness | smitsomhed |
| contain | indeholde |
| container | beholder |
| Container deposit legislation | Flaskepant |
| Container format | Container |
| containment | indeslutning |
| Containment sphere | Kugle |
| contaminate | forurene |
| contaminated soil | forurenet jord |
| contamination | kontamination |
| contemporary | samtidig |
| contempt | foragt |
| Content-control software | Elektronisk filter |
| contented | tilfreds |
| contents | indhold |
| contest | konkurrence |
| contestant | konkurrent |
| Context-sensitive half-life | Halveringstid |
| continent | kontinent |
| continental climate | fastlandsklima |
| Continental Congress | Kontinentale kongres |
| Continental crust | Kontinentalplade |
| continental drift | kontinentaldrift |
| Continental philosophy | Kontinental filosofi |
| Continental rationalism | Rationalisme |
| continental shelf | fastlandssokkel |
| continuation | fortsættelse |
| Continuation War | Vinterkrigen |
| continue | vare |
| continuing education | efter- og videreuddannelse |
| continuity | kontinuitet |
| continuous | uafbrudt |
| continuous function | kontinuert funktion |
| Continuous ink system | Bulkgods |
| continuous load | fortsat belastning |
| contortionist | slangemenneske |
| contour farming | konturdyrkning |
| contraception | prævention |
| contract | kontrakt |
| Contract bridge | Bridge |
| Contract for difference | Differencekontrakt |
| Contralto voice | Bratsch |
| contrary | modsat |
| contribute | bidrage |
| contributor | bidragyder |
| Contrivanc | Lokomotiv |
| Contrivancer | Opfinder |
| control | regere |
| Control car | Styrevogn |
| Control gate | Kontaktor |
| control measure | kontrolforanstaltning |
| Control Zone | Kontrolzone |
| controlled burning | kontrolleret forbrænding |
| controlled hunting zone | kontrolleret jagtområde |
| controlling authority | tilsynsmyndighed |
| controversial | kontroversiel |
