Douarnenez 29100 - Bretagne
- Baffert
- Bah
- Baillobay
- Baillot
- Baisnee
- Bakkar
- Baleur
- Ballesteros
- Balon
- Balon Le Gallou
- Banicq
- Baraer
- Barat
- Barbieri
- Barbotin
- Barbotte
- Bardy
- Bariou Gonidec
- Bariou-midy
- Barnabé
- Barnley
- Barrand
- Barraux
- Barre
- Barrie
- Bartling
- Baudean
- Bauer
- Baume
- Bauwens
- Bayard
- Bayle
- Bayol
- Bazin
- Bazureault
- Beaudouin
- Beaufront
- Beaujean
- Beaupied
- Beauvois
- Bechouche
- Beck
- Bedouet
- Belbeoc H
- Beleguic
- Bellande
- Belleil
- Bellois
- Beloud
- Benzi
- Beon
- Bequet
- Berber
- Berelowitch
- Berezay
- Berger
- Berges
- Bergot
- Bernard-féchant
- Bernery
- Berra
- Berriet
- Berrou
- Berthelet
- Berthelot
- Berthou
- Bertron Jean
- Betrams
- Beuf
- Beuguel
- Beurdeley
- Bianchi
- Bibal
- Bidan
- Bidard
- Bidermanas
- Bienaime
- Bigand
- Biget
- Bignard
- Bigot-le Page
- Binvignat
- Bionaz
- Bird
- Biré
- Bis
- Bisaro
- Blaisin
- Blaize
- Blanchard
- Blanchet
- Blanville
- Blazek
- Bleuet
- Blidi
- Blin
- Blocquet
- Blondel Hennequin
- Blottiere
- Blouet