Brest 29200 - Bretagne
- Carton
- Casel
- Cassin
- Cassou
- Castaing
- Castro Hernandez
- Catard
- Cattin
- Caubert
- Caubet
- Caudan
- Caumont
- Cavellat
- Cellier
- Cera
- Cerdan
- Ceretta
- Cerqueira
- Cervantes
- Cesar
- Cesari
- Chaara
- Chable
- Chabrol
- Chaffron
- Chakpla
- Chakrina
- Challuau
- Chalumeau
- Chambre
- Chammouma
- Champion
- Chanteau
- Chapelle-peant
- Chapron
- Charbonneau
- Chardin
- Chareyre
- Charkaoui
- Charlotte
- Charnace
- Charrier
- Charton
- Chasson
- Chataigner
- Chatalic
- Chatendeau
- Chatry
- Chaumery
- Chaumont
- Chauris
- Chaussade
- Chaussy
- Chavonet
- Chebani
- Chenot
- Cheret
- Chergui
- Cherid
- Chery
- Chesnier
- Chevaillier
- Cheval
- Chevet
- Chevillotte
- Chevreuil
- Chikhi
- Chimier
- Choppin
- Choquer
- Chouraki
- Chrétien
- Chuniaud
- Chupin
- Ciavaldini
- Cillard
- Claire
- Claudic
- Claudine
- Clavel
- Clearc'h
- Clemenceau
- Cleton
- Clivio
- Cloarec Riouat
- Cloastre
- Cloirec
- Cloitre Caroff
- Close
- Cléguer
- Coatan
- Coatantiec
- Coatelan
- Coateval
- Coatleven
- Coban
- Cocheril
- Cochou
- Cocrelle
- Codinach