Lorient 56100 - Bretagne
- Barazer
- Bardou
- Bargain
- Barhoum
- Barrault
- Barrier
- Barros
- Baudet
- Baumel
- Beaufils
- Bechet
- Bedard
- Beguel
- Belice
- Bellamy
- Bellon
- Belzic
- Benard
- Beneat
- Bergot
- Bernardin
- Berthelot
- Berthy
- Bescond
- Besnard
- Beven
- Beyaz
- Bidault
- Bigey
- Bignon
- Blanchier
- Blas
- Blayot
- Blot
- Boceno
- Bocquet
- Bohelay
- Boivent
- Bonizec
- Boterf
- Botrel
- Bouard
- Bouge
- Boulanger
- Bouligaud
- Boulineau
- Bouquet
- Bourdin
- Boureau
- Bourg
- Bourgoin
- Boutier
- Boutihane
- Brault
- Bregent
- Brenner
- Brischoux
- Brisset
- Brisson
- Brizard
- Brouard
- Buisson
- Burguin
- Bustean
- Bélégou
- Cabelguen
- Cadio
- Cagnec
- Caheric
- Caillaud
- Caillibot
- Caimari
- Cales
- Caoudal
- Carrier
- Carrio
- Cattin
- Chabach
- Chagrot
- Chantreau
- Chartier
- Chauvin
- Chenard
- Chevallier
- Chevrollier
- Christophe
- Chupin
- Coadic
- Coindet
- Cojean
- Colmant
- Combe
- Combes
- Compere
- Coquelin
- Coquet
- Coquil
- Coquillard
- Cormier
- Cosson