Rennes 35000 - Bretagne
- Comere
- Comes
- Comier
- Comite Etablissement Renault
- Commandoux
- Compere
- Conduche
- Conga
- Congard
- Conquerant
- Constantin
- Contin
- Coppin
- Coppée Caval
- Copy
- Coquel
- Coquillon
- Coquin
- Cora
- Corain
- Corbeau
- Corcuff
- Cordion
- Corentin
- Corfmat
- Corlett
- Cormand
- Corne
- Cornier
- Cornou
- Cornu-deschamps
- Corot
- Corouge
- Corpet
- Corson
- Corvec
- Cos
- Cosnard
- Cosperec
- Cosqueric
- Cossec
- Cossin
- Costalat
- Coste
- Costo
- Cotiniaux
- Cotonnec
- Cottebrune
- Cottenceau
- Cottet
- Cotty
- Couabault
- Coualan
- Couasme
- Coubard
- Coudreuse
- Couedel
- Coueffe
- Couepel
- Couet
- Couette
- Couety
- Coulet
- Coulm
- Coulmain
- Coulon Rayer
- Coupeau
- Coupey
- Courbe
- Courselaud
- Courtay
- Courtot
- Courtès
- Coustou
- Coutable
- Coutant
- Couteau
- Coutelle
- Coutout
- Couvrand
- Couyaux
- Couzelin
- Couzin
- Coyac
- Coz
- Cozannet
- Cravic
- Creche
- Creff
- Cremer
- Crepin
- Crespo
- Cretel
- Creusot
- Crochu
- Croguennec
- Croix
- Croizé
- Cronier
- Cros