Concarneau 29900 - Bretagne
- Bachellerie
- Bacherot
- Bacon
- Bacquer
- Bacquet
- Badet
- Baelden
- Bagneaux Coste de
- Bailleul
- Baillorge
- Bailly
- Balasse
- Balaud
- Balberde
- Balbous
- Baloin
- Balquier
- Balteaux
- Balze
- Bar Couleur
- Baradez
- Barat
- Barbare
- Barbeito
- Barca
- Bardet
- Bardin
- Bardou Creiche
- Bareaud
- Barotte
- Barraud
- Barreaux
- Barros
- Bartholin
- Barthoux
- Basin
- Bassement
- Basso
- Bastareaud
- Batail
- Batany
- Battais
- Battistetti
- Baucher
- Baudelot
- Baudesson
- Baudouin
- Bauduin
- Bauknecht
- Baulon
- Baumgartner
- Bayard
- Bayou
- Beauchamps
- Beauchet
- Beaudi
- Beaudi-rannou
- Beaudion
- Beaudou
- Beaufrere
- Beaugrand
- Beaujard
- Beaujean
- Beaumont
- Beaurain
- Beaute
- Becam
- Becam Eps Le Crane
- Bechu
- Becouse
- Bedel
- Bedelbarrat
- Beer
- Begot
- Beilon
- Belaidi
- Bellenger de Mattos
- Belloir
- Bellotti
- Bellour
- Belot
- Benabidi
- Beneteau
- Benfaid Le Bris
- Bengold
- Benis
- Benjamin
- Bennett
- Benoiton
- Benouari
- Benoît
- Bens
- Bentolila
- Bercegeay
- Berenguier
- Berger
- Bergheaud
- Bergier
- Berguerie
- Beriet