Marseille - Provence-Alpes-Côte d'Azur
- Coutouly
- Coutret
- Coutsouras
- Coutton
- Couturon
- Couty
- Couvidat
- Couyade
- Couzi
- Couzinier
- Cova
- Cowen
- Coxe
- Coyac
- Coyere
- Cozette
- Coët
- Crae
- Crama
- Cramoisy
- Crampes
- Crampon
- Cranga
- Crapart
- Crapet
- Crapon
- Crauet
- Crea
- Creac'h
- Creach
- Credoz
- Crelerot
- Cremer
- Cremisi
- Cremoni
- Crene
- Crepel
- Crepieux
- Crescente
- Cresciucci
- Cresson
- Cresta
- Crestin
- Cretara
- Cretel
- Cretello
- Cretin
- Cretinoir
- Creton
- Creuzet
- Crevet
- Crey
- Cribaillet
- Cribier
- Cricchio
- Crignon
- Crillon
- Crillon Justine
- Crimon
- Criquet
- Criscenzo
- Crisconio
- Crismale
- Crispin
- Cristau
- Cristea
- Crocetti
- Croci
- Croci-torti
- Croisard
- Croitor
- Croix
- Croizeau
- Croizet
- Crolet
- Croquet
- Cros Badon
- Crosio
- Crosson
- Crotte
- Crouan
- Crousnillon
- Crudeli
- Crumiere
- Crémieux
- Cuartielles
- Cuba
- Cubadda
- Cucci
- Cuccurullo
- Cuche
- Cucurni
- Cucurullo
- Cuellar
- Cuenin
- Cuenot
- Cuestas
- Cueto
- Cugny
- Cuias