Paris - Île-de-France
- Coeffe
- Coet
- Coeurderoy
- Coeuret
- Coffi
- Cohen Arazi
- Cohen de Lara
- Cohendet
- Coicadan
- Coiffier
- Cointepas
- Coirre
- Colas Des Francs
- Colella
- Colmant
- Colombi
- Colomer
- Colot
- Colrat
- Combemorel
- Commere
- Common
- Compaore
- Compoint
- Compper
- Cong
- Conteh
- Coppens
- Coppet
- Coq
- Cordelle
- Cordoba
- Cordon
- Corgeron
- Coriou
- Corneille
- Cornilleau
- Corson
- Cortet
- Corticchiato
- Cosaque
- Cosentino
- Cosnefroy
- Cossec
- Cosserat
- Cossé
- Costa de Beauregard
- Costamagna
- Costanza
- Costedoat
- Cotard
- Cotellon
- Cotta
- Cottinet
- Coubes
- Coucke
- Couder
- Coudrin
- Couesnon
- Couette
- Couillard
- Couillaud
- Coullet
- Coumes
- Coupeau
- Coupigny
- Couppe
- Courcelle
- Courcelles
- Courie
- Courpied
- Courquin
- Courreges
- Coursol
- Courtay
- Courtecuisse
- Courtille
- Coutanceau
- Coutarel
- Coutellier
- Coutier
- Couvelaire
- Covindassamy
- Covos
- Coze
- Cozzolino
- Craff
- Cransac
- Cras
- Crayssac
- Creac'h
- Creange
- Creff
- Crepey
- Crepon
- Crestey
- Crispin
- Croce
- Crochemore
- Cross
