Pont-l'Abbé 29120 - Bretagne
- Bessec
- Beugras
- Beurdouche
- Bevan
- Bezie
- Biasotto
- Bideau
- Bidon
- Bienassis
- Bigot
- Billaud
- Billien
- Billier
- Billoteau
- Blanchard
- Blanchet
- Blayo
- Bleaumelen
- 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

