Lesneven 29260 - Bretagne
- Baude
- Bauer
- Bayle Goasduff
- Bayon
- Beaudemont
- Bechu
- Beganton
- Begue
- Bellanger
- Belli
- Benoit
- Bernade
- Bernicot Valer
- Berniel
- Berregar
- Berrieau
- Bertevas
- Berthonneau
- Berthou
- Berthoulux
- Besche
- Besson
- Bettioui
- Beyou
- Bezins
- Bian
- Biez
- Bigliardi
- Bigliardi Auguet
- Bihan Poudec
- Bilgot
- Billet
- Bisson
- Bittard
- Blaize
- Boche
- Bodin
- Bodénès
- Boedec
- Bombert
- Bonenfant
- Bonet
- Boniou
- Bonniord
- Bory
- Bosser
- Botino
- Botte
- Bouchare
- Bouchet
- Boulangerie Tassin
- Bounaudet
- Bourbao
- Bourgeois
- Bourgès
- Bourhis
- Bouroullec
- Bourrie
- Bousnina
- Boutet
- Bouvart
- Bozec
- Bramoulle
- Brannan
- Brenot
- Breteau
- Breut
- Briand
- Briant
- Briat
- Brissaud
- Brohan
- Broudin
- Broustaut
- Bruel
- Brulé
- Bruna
- Bruneau
- Bugny
- Bulvestre
- Buors
- Burlot
- Buttet
- Buzare
- Cadet
- Cadoret
- Caillet
- Calmes
- Calves
- Campion
- Canu
- Capelle
- Caraës
- Careme
- Caris
- Carney
- Carrer
- Carré
- Casado
- Castrec