Elven 56250 - Bretagne
- Bougant
- Bougro
- Boulaire
- Boulho
- Bouliere
- Bouquey
- Bourdaud'hui
- Bourdel
- Bourdon
- Bourgault
- Bourgeade
- Bourgoin
- Bourigault
- Boussicaud
- Boutou
- Bouvet
- Bouvron
- Boyer
- Brasselet
- Brault
- Breysse
- Briand
- Brice
- Briend
- Briendo
- Briere
- Brière
- Brière Le Guill
- Broekmans Jehanno
- Brule
- Brun
- Brunie
- Bry
- Burlot
- Burteaux
- Butaud
- Buttin
- Buzit
- Bébin
- Caballero
- Cacan
- Cadot
- Caille Bedard
- Caillebault
- Cairic
- Callonnec
- Calmé
- Campas
- Cara
- Caradec
- Carayon
- Cardera
- Cardet
- Carron
- Cartigueyane
- Castano
- Castellotti
- Catherin
- Cattiaux
- Caurant
- Cavalin
- Cave Pelletier
- Cavel
- Cerdeira
- Chabanier
- Chailloux
- Chakrafi
- Chambon
- Champion
- Chapalain
- Chapron
- Charbonnier
- Charles Brault
- Charret
- Chassin
- Chatelier
- Chedeville
- Cherel
- Cheron
- Chesneau
- Cheung
- Chevallier
- Chiaberge
- Chollet
- Chretien
- Christophe
- Claviere
- Clemot
- Cleran
- Clerc
- Clero
- Clouard
- Coacolou
- Cocoual
- Cogard
- Collignon
- Collombe
- Colombel
- Corbiere
- Corbin