| collusion | scheme |
| colluvion | colluvium |
| collyre | eyewash |
| collège | school |
| Collège américain de Grèce | American College of Greece |
| Collège attitude | Never Been Kissed |
| collège d'enseignement technique | technical school |
| Collège Dawson | Dawson College |
| Collège de France | Collège de France |
| Collège de Navarre | Collège de Navarre |
| Collège de Rugby | Rugby School |
| Collège de sociologie | College of Sociology |
| Collège des pontifes | College of Pontiffs |
| Collège des Quatre-Nations | Collège des Quatre-Nations |
| Collège en France | Realschule |
| Collège Europeen | College of Europe |
| Collège français de Berlin | Französisches Gymnasium Berlin |
| Collège militaire royal du Canada | Royal Military College of Canada |
| Collège privé | Public school |
| collège secondaire privé | private boarding school |
| collège technique | technical school |
| collège électoral | electoral college |
| collègue | associate |
| collégial | collegiate |
| collégialité | collegiality |
| Colm Meaney | Colm Meaney |
| Colman de Stockerau | Coloman of Stockerau |
| Colmar | Colmar |
| Colmars-les-Alpes | Colmars-les-Alpes |
| colmatage | clogging |
| colmater | stop |
| Colobe guéréza | Mantled Guereza |
| Colobinae | Colobinae |
| Colobome | Coloboma |
| coloc | roommate |
| colocataire | roommate |
| Cologne | Cologne |
| Cologny | Cologny |
| Coloman de Hongrie | Coloman of Hungary |
| Colomb | Columbus |
| Colomban | Colman |
| Colomban de Luxeuil | Columbanus |
| colombe | pigeon |
| Colombe de Bâle | Basel Dove |
| Colombe de la paix | Peace dove |
| colombeau | squab |
| colombelle | squab |
| Colombes | Colombes |
| Colombey-les-Deux-Églises | Colombey-les-Deux-Églises |
