Guilers 29820 - Bretagne
- Azou
- Azé
- Baderou
- Baguyhernot
- Bahri
- Balem
- Ballanger
- Ballieu
- Ballot
- Baot
- Barade
- Barbosa
- Barski
- Bartissol
- Baruch
- Barzic
- Bastoul
- Bator
- Baudoin
- Beauchet
- Beauvallet
- Beauvarlet
- Beauverger
- Becher
- Bechu
- Becker
- Begot
- Belec
- Belena
- Belghiti
- Belhachemi
- Bellange
- Ben Haberrou
- Benbouzid
- Bergot
- Bermond-gonnet
- Bernugat
- Berraho
- Berrivin
- Berthelem
- Berthelot
- Berthier
- Berthou
- Besselievre
- Besson
- Bethencourt
- Beuzit
- Bicrell
- Bidaux
- Bideau
- Billard
- Billaud
- Billy
- Bittebois
- Blaison
- Bloas
- Blot
- Blouet
- Bléas
- Bodennec
- Bodin
- Boennec
- Boileau
- Boisdron
- Bollore
- Bolloré
- Bompais
- Bonavita
- Bongiovanni
- Bonis
- Bonnet
- Bordessoule-curt
- Borel
- Bossard
- Bosser
- Botella
- Bottereau
- Bouche
- Bougaran
- Bougouin
- Boulair
- Boulanger
- Boulant
- Boulc'h
- Boumeddane
- Bourandy
- Bourel
- Bourget
- Bourlès
- Bournet
- Boussin
- Boutard
- Boutet
- Boutrois
- Boutry
- Bouvet
- Bozkurt
- Brard
- Brehault
- Brelivet

