Marseille - Provence-Alpes-Côte d'Azur
- Courtignon
- Courtiol
- Courvoisier
- Cousinard
- Coussens
- Cousteau
- Coustel
- Coustellier
- Coustes
- Coustillac
- Coutard
- Coutelier
- Coutelle
- Coutinho
- Coutouly
- Coutret
- Coutton
- Couturon
- Couty
- Couvidat
- Couyade
- Couzi
- Couzinier
- Cova
- Cowen
- Coxe
- Coyac
- Coyere
- Cozette
- Coët
- Crae
- Crafton
- Cramoisy
- Crampes
- Crandal
- Cranga
- Crapart
- Crapet
- Crapon
- Crassous
- Crea
- Creac'h
- Creach
- Credoz
- Crelerot
- Cremer
- Cremieux
- Cremisi
- Cremoni
- Crene
- Crepel
- Crepieux
- Cres
- Crescente
- Cresciucci
- Cresta
- Crestin
- Cretara
- Cretel
- Cretello
- Cretin
- Cretinoir
- Creton
- Creuzet
- Crevet
- Crey
- Cribaillet
- Cricchio
- Crignon
- Crillon
- Crillon Justine
- Crimon
- Criquet
- Crisanti
- Criscenzo
- Crisconio
- Crismale
- Crispin
- Cristau
- Cristea
- Cristina
- Croci
- Croci-torti
- Croisard
- Croitor
- Croix
- Croizeau
- Croizet
- Crolet
- Croquet
- Cros Badon
- Crosio
- Crosson
- Crotte
- Crouan
- Crouigneau
- Crousnillon
- Crudeli
- Crumiere
- Crémieux