| Common Brushtail Possum | Phalanger renard |
| Common Bulbul | Bulbul des jardins |
| Common Butterbur | Grand pétasite |
| Common capital stock | Capital social |
| Common Chimpanzee | Chimpanzé |
| common cold | rhume |
| common commercial policy | politique commerciale commune |
| Common Coquí | Coquí |
| Common Cottongrass | Linaigrette à feuilles étroites |
| common crane | grue |
| Common Criteria | Critères communs |
| Common Crossbill | Bec-croisé des sapins |
| Common Cuttlefish | Seiche commune |
| Common Czech | Tchèque familier |
| Common dab | Limande commune |
| common dandelion | pissenlit commun |
| Common Darter | Sympétrum strié |
| common denominator | dénominateur commun |
| Common descent | Last universal common ancestor |
| Common Desktop Environment | Common Desktop Environment |
| Common Development and Distribution License | Common Development and Distribution License |
| common divisor | facteur commun |
| Common Dogwood | Cornouiller sanguin |
| Common drain | Drain commun |
| Common Duiker | Sylvicapra grimmia |
| Common Dwarf Mongoose | Hyène rayée |
| common eland | antilope canna |
| Common Era | de notre ère |
| Common European Framework of Reference for Languages | Cadre européen commun de référence pour les langues |
| common factor | facteur commun |
| Common fibular nerve | Nerf fibulaire |
| Common Fig | Figuier commun |
| Common Fisheries Policy | Politique commune de la pêche |
| Common Foreign and Security Policy | Politique étrangère et de sécurité commune |
| common fraction | fraction d'entiers |
| Common fractions | Fraction |
| Common Frog | Grenouille rousse |
| Common Gateway Interface | Common Gateway Interface |
| common good | bien |
| Common Grackle | Quiscale bronzé |
| Common grasshopper warbler | Locustelle tachetée |
| Common greenshank | Chevalier aboyeur |
| common ground | surface de contact |
| Common Guillemot | Guillemot de Troïl |
| common gull | goéland cendré |
| Common Hawker | Aeshna juncea |
| Common Hawthorn | Crataegus monogyna |
| Common Hazel | Noisetier commun |
| common hepatica | anémone hépatique |
| Common Hogweed | Berce sphondyle |
| Common horsechestnut | Marronnier commun |
