Brest 29200 - Bretagne
- Chimier
- Choquer
- Chouraki
- Chrétien
- Chuniaud
- Chupin
- Ciavaldini
- Cillard
- Claire
- Claudel
- Claudie
- Claudine
- Clavel
- Clearc'h
- Clemence
- Cleton
- Clivio
- Cloarec Riouat
- Cloastre
- Cloirec
- Cloitre Caroff
- Close
- Cléguer
- Coatan
- Coatantiec
- Coatelan
- Coateval
- Coatleven
- Coban
- Cocheril
- Cochou
- Cocrelle
- Codinach
- Coeffeur
- Coffin Le Page
- Coiffier
- Cointrel
- Collado
- Colle
- Collignon
- Colliot
- Collo
- Colombani
- Coltel
- Combe
- Comble
- Combo
- Combroux
- Constans
- Contamine
- Convert
- Copin
- Coppin
- Coquelet
- Coquin
- Corde
- Cordenner
- Corduan
- Corentin
- Corieras
- Corlosquet
- Cornou
- Corson
- Corvellec
- Corvez
- Cosleou
- Cosmao
- Cossard
- Cosse
- Costaz
- Costet
- Cotard
- Coton
- Cotonnec
- Cottard
- Cotte
- Cottereau
- Cottour
- Cotty
- Couant
- Couchet
- Coucoune
- Coudard
- Coudray
- Couedel
- Couffin
- Couix
- Coupez
- Courbet
- Courgeon
- Couronne
- Coustance
- Coutard
- Coutelet
- Couton
- Coutras
- Couture
- Couzinié
- Craff
- Craouyeur