Rennes 35000 - Bretagne
- Bussy
- Buyandelger
- Buzin
- Bédéric
- Bénis
- Béouan
- Bérichel
- Bézard
- Bézier
- Cabal
- Caballero
- Cabanes
- Cabel
- Cabioc'h
- Cabus
- Cadio
- Cador
- Cadudal
- Cagava
- Cagniart
- Cahours
- Caillarec
- Caillibotte
- Cairou
- Cajuste
- Cakmakli
- Caldy
- Caliskan
- Callac
- Callonnec
- Calme
- Calmon
- Calot
- Cam
- Camard
- Camenen
- Camille
- Campain
- Campillo
- Canat
- Cances
- Candon
- Cann
- Cannecu
- Canoor Ramiah
- Cantot
- Cantrel
- Canuel
- Caouren
- Capou
- Cappello
- Carado
- Carboulet
- Cardak
- Cardon
- Cardoso
- Cardozo
- Carduner
- Careil
- Cario-guillemette
- Cariot
- Caris
- Carissan
- Carlo Pathiaux
- Carlot
- Carmoine
- Carnec
- Carole
- Carou
- Carpe
- Carpier
- Carreric
- Carreyre
- Carric
- Carrier
- Carrio
- Carrot
- Carsin
- Carson
- Casini
- Casseron
- Cassé
- Castagne
- Castelain
- Castella
- Castera
- Castro Fonseca
- Castro Roldan
- Catrouillet
- Caubet
- Caudron de Coquereaumont
- Cavalan
- Cavallera
- Cavan
- Cavarlé
- Cavret
- Cavyn
- Cazal
- Caze
- Cazeneuve