Pont-l'Abbé 29120 - Bretagne
- Blondeau
- Blondin
- Blot
- Bocher
- Bodéré
- Boedec
- Boi
- Boiteux
- Bollet
- Bollore
- Bolzer
- Bon Boiteux
- Bonder
- Bonnel
- Bonnet
- Bonniot
- Bonno
- Bordelai
- Bossennec
- Bostnavaron
- Bouby
- Boucard
- Bouchaud
- Boucher
- Boudin
- Bouguennec
- Bouillon
- Bounier
- Bourbigot
- Bourgin
- Bourgine
- Bourhis
- Bourjon
- Bourleau Taniou
- Bourles
- Bourlier
- Boussugue
- Bouthier
- Bouts
- Bouvard Fernandez
- Bouvier
- Braem
- Brault
- Breau
- Breugnot
- Brevunes
- Briant
- Briche
- Brie Saint Drenan
- Briens
- Brigant
- Brillat
- Brive
- Brière
- Broche
- Brondex
- Bronze
- Brossard
- Bruel
- Brulé
- Brument
- Brun
- Bruno
- Buczynski
- Buord
- Bureau
- Burgeat
- Burkhart
- Buteau
- Buzit
- Bénizé
- Cabel
- Cabinet
- Cabon
- Cachereul
- Cadet
- Cadic
- Cadiou
- Cado
- Caillot
- Can
- Cancès
- Candie
- Cann
- Caoudal
- Caradec
- Carcaillet
- Cariou Yannic
- Carn
- Carpentier
- Carpentiergueguen
- Carre
- Carrer
- Carret
- Caruel
- Carvalho
- Cassan
- Castillo
- Caudal
- Cavaloc

