Brest 29200 - Bretagne
- Chene
- Chenot
- Cherid
- Chery
- Chesneau
- Cheval
- Chevet
- Chevillotte
- Chikhi
- Chimier
- Choquer
- Chouraki
- Chrétien
- Chuniaud
- Chupin
- Ciavaldini
- Claire
- Claudel
- Claudie
- Claudine
- Clavel
- Cleguer
- Clemence
- Clervoy
- Cleton
- Clivio
- Cloastre
- Cloirec
- Close
- Cléguer
- Clément
- Cmck
- Coader
- Coatantiec
- Coatanéa
- Coateval
- Cocheril
- Cochou
- Cogan
- Coiffier
- Cointrel
- Collignon
- Colliot
- Colliou
- Collot
- Colombain
- Colombani
- Colpaert
- Cols
- Combe
- Comble
- Cominassi
- Comte
- Conort
- Constans
- Contamine
- Convert
- Copin
- Coquart
- Coquelet
- Coquemont
- Coquin
- Cordoba
- Corentin
- Corieras
- Corlosquet
- Cormier
- Cornette
- Cornouaille
- Cornuel
- Corrigou
- Corson
- Corvez
- Corvé
- Cosker
- Cosleou
- Cossard
- Cosse
- Cosson
- Coste
- Costet
- Cot
- Cotard
- Cottereau
- Cotty
- Couchevellou
- Coucoune
- Coudray
- Couffin
- Coulouarn
- Coupez
- Couppey
- Courant
- Courbet
- Courgeon
- Courriol
- Court
- Courtet
- Coustance
- Coutard

