| Cookie | Cookie |
| Cookøerne | Cookeilanden |
| cool | beheerst |
| Cool jazz | Cooljazz |
| Coolio | Coolio |
| Coop Himmelbau | Coop Himmelbau |
| Cooper test | Coopertest |
| Cooperstown | Cooperstown |
| Copa América | Copa América |
| Copa del Rey | Copa del Rey |
| Copacabana | Copacabana |
| Coppa Italia | Coppa Italia |
| Copycat kriminalitet | Copycat misdaad |
| Copyleft | Copyleft |
| Copán | Copán |
| Corazon Aquino | Corazon Aquino |
| Corazón Aquino | Corazon Aquino |
| Cordelia | Cordelia |
| Cordoba | Córdoba |
| Coreper | Comité van Permanente Vertegenwoordigers |
| Corey Taylor | Corey Taylor |
| Coriolanus | Gaius Marcius Coriolanus |
| Corioliseffekten | Corioliseffect |
| Cork | Cork |
| Cornelius | Gens Cornelia |
| Cornelius Fudge | Cornelis Droebel |
| Cornflakes | Corn flakes |
| Cornwall | Cornwall |
| Coromandelkysten | Kust van Coromandel |
| Coronavirus | Coronavirussen |
| Coronie | Coronie |
| CORPG | CORPG |
| Corps diplomatique | Corps Diplomatique |
| Corriere della Sera | Il Corriere della Sera |
| Corrèze | Corrèze |
| Corse-du-Sud | Corse-du-Sud |
| Cort Sivertsen Adeler | Koert Adelaer |
| Cortezhavet | Golf van Californië |
| Corto Maltese | Corto Maltese |
| Coruscant | Coruscant |
| Cory I det hvide hus | Cory in the House |
| Cosinus | Sinus en cosinus |
| Cosinusrelation | Cosinusregel |
| Cosmopolitan | Cosmopolitan |
| Costa Rica | Costa Rica |
| Così fan tutte | Così fan tutte |
| Cotentin | Cotentin |
| Coton de Tulear | Coton de Tuléar |
| Cotonou | Cotonou |
| Cottbus | Cottbus |
| Coulrofobi | Coulrofobie |
| Count Basie | Count Basie |
| Counter-Strike | Counter-Strike |
| Country | Countrymuziek |
| County Carlow | County Carlow |
| County Cavan | County Cavan |
| County Clare | County Clare |
| County Cork | County Cork |
| County Donegal | County Donegal |
| County Dublin | County Dublin |
| County Fingal | Fingal |
| County Galway | County Galway |
| County Kerry | County Kerry |
| County Kildare | County Kildare |
| County Kilkenny | County Kilkenny |
| County Laois | County Laois |
| County Leitrim | County Leitrim |
| County Limerick | County Limerick |
| County Longford | County Longford |
| County Louth | County Louth |
| County Mayo | County Mayo |
| County Meath | County Meath |
| County Monaghan | County Monaghan |
| County Offaly | County Offaly |
| County Roscommon | County Roscommon |
| County Sligo | County Sligo |
| County Tipperary | County Tipperary |
| County Waterford | County Waterford |
| County Westmeath | County Westmeath |
| County Wexford | County Wexford |
| County Wicklow | County Wicklow |
| courgette | courgette |
| Courteney Cox | Courteney Cox |
| Courtney Love | Courtney Love |
| Coutances | Coutances |
| Covasna | District Covasna |
| Covent Garden | Covent Garden |
| Coventry | Coventry |
| Cowpers kirtel | Cowperse klier |
| Coyote Ugly | Coyote Ugly |
| Cozumel | Cozumel |
| CPR-nummer | Burgerservicenummer |
| Cracker | Computerkraker |
| Cradle of Filth | Cradle of Filth |
| Craiova | Craiova |
| crash | botsing |
| Crash Bandicoot | Crash Bandicoot |
| crashe | neerstorten |
| Crawford | Crawford |
| Crazy Horse | Crazy Horse |
| Creative Commons | Creative Commons |
| Creighton Abrams | Creighton Abrams |
| creme | crème |
| creme de la creme | crème de la crème |
| cremefarve | crème |
| cremefarvet | crème |
| Cremefraiche | Crème fraîche |
| Cressida | Cressida |
| Creuse | Creuse |
| Cristiano Lucarelli | Cristiano Lucarelli |
| Cristiano Ronaldo | Cristiano Ronaldo |
| Cristina Fernández de Kirchner | Cristina Fernández de Kirchner |
| Cristo Redentor | Christus de Verlosser |
| Cristobal Morales | Cristóbal de Morales |
| Critérium du Dauphiné Libéré | Critérium du Dauphiné Libéré |
| CRM | Customer Relationship Management |
| Crnojević-dynastiet | Crnojević-dynastie |
| Crnojević-Ivan I | Crnojević-Ivan I |
| Crnojević-Stefan | Crnojević-Stefan |
| Crnojević-Stefanica | Crnojević-Stefanica |
| croissant | croissant |
| Croix-des-Bouqets | Croix-des-Bouquets |
| Cronquists system | Cronquistsysteem |
| Crosby | Crosby |
| Cross | Crosscountry |
| Crossosomatales | Crossosomatales |
| Crossover | Cross-over |
| Crossroads | Crossroads |
| Crowd surfing | Crowdsurfing |
| CRP | C-reactief proteïne |
| Cruel Intentions | Cruel Intentions |
| Crust punk | Crustcore |
| Crystal Palace | Crystal Palace |
| Crédit Agricole | Crédit Agricole |
| Crémant | Crémant |
| Créteil | Créteil |
| CSKA Moskva | CSKA Moskou |
| CSS | Cascading Style Sheets |
| CSU | Christlich-Soziale Union |
| Ctesiphon | Ctesiphon |
| Cthulhu | Cthulhu |
| CTSS | CTSS |
| Cuauhtémoc | Cuauhtemoc |
| Cuba | Cuba |
| Cuba Libre | Cuba Libre |
| Cubakrisen | Cubacrisis |
| Cubanske revolution | Cubaanse Revolutie |
| Culiacán | Culiacán |
| Cultivar | Cultivar |
| Culture Club | Culture Club |
| Culture Haiti | Haïti |
| Cunningham | Neerhaler |
| Cunninghamhal | Neerhaler |
