| collier | collar |
| Collier cervical | Cervical collar |
| collier de chien | collar |
| Collier de serrage | Hose band |
| Collier des Brísingar | Brisingamen |
| Collier-de-corail | Brown Argus |
| colliger | subsume |
| Collin Benjamin | Collin Benjamin |
| colline | elevation |
| Colline Boundary | Boundary Hill |
| Colline de Cumorah | Cumorah |
| Colline de sable | Sandy ridge |
| Colline des Croix | Hill of Crosses |
| colline du Capitole | Capitol Hill |
| Colline San Cristóbal de Santiago du Chili | Cerro San Cristóbal |
| Colline Santa Lucia de Santiago du Chili | Cerro Santa Lucía |
| Colline-Beaumont | Colline-Beaumont |
| Collines | Collines Department |
| Collines Ediacara | Ediacara Hills |
| Collins | Tom Collins |
| Collioure | Collioure |
| collision | crash |
| Collision inélastique | Inelastic collision |
| collisionneur | collider |
| collocation | collocation |
| Collodion humide | Collodion process |
| Collombey-Muraz | Collombey-Muraz |
| Collonge-Bellerive | Collonge-Bellerive |
| colloque | consultation |
| Colloque de Poissy | Colloquy of Poissy |
| Colloïdal | Colloid |
| colloïde | colloid |
| colluder | collude |
| 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 |
