Brest 29200 - Bretagne
- Atoucouman
- Attama
- Aubel
- Aubou
- Aubree
- Auclair
- Audibert
- Audic
- Audouard
- Audran
- Audras
- Audrey
- Auges
- Augustin
- Auriau
- Automalo
- Autran
- Auvray
- Avellan
- Ayrault
- Azou
- Bachir
- Baco
- Bacon
- Badaoui
- Baert
- Bagourd
- Bahier
- Baillet
- Baillot
- Bajard-jacobs
- Bak
- Bal
- Balanant
- Balandina
- Balandine
- Balavoine
- Balcou
- Ballan
- Balouet
- Balpe
- Bamba
- Bancel
- Bannier
- Baptiste
- Baraer
- Barasse
- Barata
- Barazeur
- Barbi
- Bardet
- Bardoux
- Barey
- Barnouin
- Barraine
- Barrau
- Barret
- Barthes
- Barty
- Baruch
- Barvec
- Basle
- Batailly
- Batissou
- Batista
- Batteau
- Baud
- Baudelot
- Baudry
- Baudu
- Baudy
- Bauguen
- Baume
- Bausson
- Bayer
- Beauchamp
- Beaufils
- Beaugrand
- Beauguion
- Beaume
- Beaupretre
- Beaurepaire
- Bebensee
- Becasseau
- Bechaud
- Bechen
- Bechu
- Becker
- Becuwe
- Bedel
- Beganton
- Begat
- Beggache
- Belarbi
- Belard
- Belbeoc'h
- Belhadj
- Belhaj
- Belinger
- Belliard

