Marseille - Provence-Alpes-Côte d'Azur
- Cleuet
- Cleyet-marel
- Climent
- Clio
- Clipet
- Cliquet
- Cloe
- Cloitre
- Cloix
- Cloridor
- Closier
- Cloteaux
- Clou
- Cnudde
- Coadalen
- Cocci
- Cocco
- Cochelin
- Cocordan
- Cocordano
- Codani
- Codde
- Codino
- Codou
- Codur
- Coeffe
- Coelho Correia
- Coen
- Coetto
- Coffano
- Coffin
- Coffinier
- Coffy
- Cogne
- Cogno
- Cogoni
- Cogordan
- Cohadon
- Cohen Bacry
- Cohen Tannoudji
- Cohen Zardi
- Cohen-addad
- Cohen-bacri
- Coia
- Coiffeur
- Coiffic
- Coillet Matillon
- Coindre
- Coiplet
- Coj
- Coja
- Cojocaru
- Cola
- Colantuono
- Colasanto
- Colavolpe
- Colella
- Colet
- Coletto
- Colineau
- Colla
- Collart
- Collat
- Collen
- Colletto
- Colleye
- Collier
- Collini
- Colloc'h
- Collodin
- Collus
- Colléoni
- Colombana
- Colombe
- Colombel
- Colomine
- Colomines
- Colonna de Lega
- Colpin
- Coly
- Comandini
- Combacal
- Combemorel
- Combis
- Comelli
- Comio
- Comiti
- Commandeur
- Commanges
- Commentale
- Commes
- Commier
- Comminges
- Communal
- Como
- Comont
- Compagny
- Compet
- Comptour
- Comsa