Paris - Île-de-France
- Clotail
- Clough
- Clouzeau
- Cobo
- Cochelin
- Cocquet
- Codaccioni
- Coeuret
- Coget
- Cohen Arazi
- Cohen Skalli
- Cohen-skalli
- Coia
- Coic
- Coicadan
- Cointepas
- Coirre
- Colcanap
- Colcombet
- Colella
- Colleau
- Colleaux
- Collobert
- Colnot
- Coloma
- Colombi
- Combemorel
- Comment
- Compaore
- Compoint
- Conesa
- Conforti
- Cong
- Conrath
- Conseil
- Conteh
- Coppens
- Coquel
- Coqueret
- Coquio
- Corda
- Cordeau
- Cordelle
- Cordesse
- Cordin
- Corlay
- Cornudet
- Correas
- Corrin
- Corruble
- Corty
- Corvol
- Cosich
- Cossa
- Cosserat
- Cossin
- Costamagna
- Cota
- Coti
- Cottinet
- Coucke
- Coudin
- Coudon
- Coudoux
- Couedel
- Coullet
- Coulombel
- Coulondre
- Coupeau
- Coupigny
- Couralet
- Courbe
- Courchay
- Courgey
- Courquin
- Coursin
- Coursol
- Courtay
- Courtecuisse
- Coussieu
- Coutarel
- Coutellier
- Couvidat
- Couvret
- Cozzi
- Craff
- Cras
- Crayssac
- Creac'h
- Creff
- Crepeau
- Crepon
- Crespi
- Cressot
- Crestey
- Creveau
- Crispin
- Crochemore
- Croitoru
- Crouin
