Rennes 35000 - Bretagne
- Bruyere
- Bryon
- Brzustowski
- Bréhinier
- Buannic
- Buchard
- Budak
- Budet
- Bueno
- Buffeteau
- Bugeon
- Buguet
- Buhan
- Buhot
- Buisard
- Buisine
- Buisset
- Bulant
- Bunetel
- Buot
- Buquen
- Burckel
- Burgo
- Burgos
- Burklin
- Burot
- Burtin
- Bussard
- Bussy
- Buttet
- Buuh Robleh
- Bécel
- Béchu
- Bédier
- Bédouet
- Bénis
- Béranger
- Cabal
- Cabanes
- Cabel
- Cabioc'h
- Cabioch
- Cabot
- Cabus
- Cadiet
- Cadio
- Cador
- Cadudal
- Cafaro
- Cagniart
- Cahierre
- Cahours
- Caillarec
- Cailly
- Cairou
- Calin
- Caliskan
- Callac
- Callet
- Callonnec
- Calmon
- Calvet
- Cam
- Camberlein
- Camille
- Campan
- Campbell
- Canat
- Cances
- Canet
- Cannecu
- Canoor Ramiah
- Cantrel
- Canuel
- Caous
- Caplain
- Capou
- Carboulet
- Cardak
- Cardoso
- Carduner
- Careil
- Carel
- Cario-guillemette
- Cariot
- Caris
- Carlo Pathiaux
- Carlot
- Carmoine
- Carnec
- Carnot
- Caron de Fromentel
- Carpaye
- Carric
- Carro
- Carrot
- Carson
- Carteron
- Casini
- Casseron
