| codirector | codirecteur |
| Codlet | Bregmacerotidae |
| CODM Meknès | CODM de Meknès |
| Codogno | Codogno |
| codon | codon |
| codriver | copilote |
| Codrus | Codros |
| Cody | Cody |
| Cody Rhodes | Cody Runnels |
| coed | coéducationnel |
| Coeditors | Coéditeur |
| coeducation | enseignement mixte |
| coeducational | coéducationnel |
| Coeducational school | École mixte |
| coefficient | facteur |
| Coefficient of restitution | Coefficient de restitution |
| Coefficient of thermal expansion | Coefficient de dilatation |
| Coele Syria | Cœlé-Syrie |
| Coele-Syria | Cœlé-Syrie |
| Coelenterata | Radiata |
| coelenterate | coelentérés |
| coelenterates | cœlentérés |
| coeliac | cœliaque |
| coeliac disease | cœlialgie |
| Coelophysidae | Coelophysidae |
| Coelostats | Coelostat |
| Coeluridae | Coeluridae |
| Coelurosauria | Coelurosauria |
| Coelurus | Coelurus |
| Coen Brothers | Joel Coen |
| Coenagrionidae | Coenagrionidae |
| Coenobita | Coenobita |
| Coenobitidae | Coenobitidae |
| Coenraad Jacob Temminck | Coenraad Jacob Temminck |
| Coenraad Johannes van Houten | Coenraad Johannes van Houten |
| coenure | cénure |
| Coenzyme Q - cytochrome c reductase | Coenzyme Q - cytochrome c-réductase |
| coerce | forcer |
| coercion | contrainte |
| coercive | coercitif |
| Coercivity | Champ coercitif |
| Coesfeld | Coesfeld |
| Coesite | Coésite |
| Coeus | Coéos |
| coeval | contemporain |
| coexist | coexister |
| coexistence | coexistence |
| coexisting | contemporain |
| Cofee | Café |
| Coffea | Caféier |
| Coffea arabica | Coffea arabica |
| Coffea canephora | Coffea canephora |
| coffee | café |
| Coffee and Cigarettes | Coffee and Cigarettes |
| coffee bean | grain de café |
| coffee break | pause-café |
| Coffee County | Comté de Coffee |
| coffee grinder | moulin à café |
| coffee maker | cafetière |
| coffee mill | moulin à café |
| coffee pot | cafetière |
| Coffee roasting | Torréfaction |
| coffee table | table basse |
