Rennes 35000 - Bretagne
- Bussiere
- Bussy
- Buttet
- Buyandelger
- Buzin
- Byram
- Béchet
- Béchu
- Béouan
- Bézard
- Bézier
- Caballero
- Cabioch
- Cabrera
- Cabus
- Cacador Nogueira
- Cadin
- Cadiot
- Cador
- Cadour
- Cadudal
- Cagava
- Cagel
- Cagniart
- Cahierre
- Cahon
- Cahours
- Cail
- Caillarec
- Caillibotte
- Cairou
- Calderon
- Calin
- Caliskan
- Callet
- Calloch
- Callonnec
- Calme
- Calmon
- Calo
- Calot
- Cam
- Camard
- Camberlein
- Camenen
- Camille
- Campain
- Campillo
- Canat
- Cances
- Candale
- Candon
- Cann
- Cannecu
- Canoor Ramiah
- Cantot
- Canuel
- Capou
- Cappello
- Capron
- Carado
- Carbonnier
- Carboulet
- Cardak
- Cardon
- Cardoso
- Cardot
- Cardozo
- Carduner
- Careil
- Cariot
- Caris
- Carissan
- Carlot
- Carmes
- Carmoine
- Carnec
- Carole
- Caroline
- Carreyre
- Carric
- Carrier
- Carrière
- Carteron
- Cartron
- Caruel
- Casanova
- Casseron
- Cassé
- Castelain
- Castelein
- Castella
- Castille
- Castillo
- Castro Fonseca
- Castro Roldan
- Catrouillet
- Caubet
- Caudron de Coquereaumont
- Caudy