Lorient 56100 - Bretagne
- Bahuon
- Bailly
- Bajada
- Bance
- Barazer
- Bargain
- Barrault
- Barrier
- Barros
- Baudet
- Baumel
- Beaufils
- Bechet
- Bedard
- Beguel
- Bellamy
- Bellon
- Belzic
- Benard
- Beneat
- Bergot
- Bernardin
- Berthelot
- Berthy
- Berville
- Beven
- Beyaz
- Bidault
- Bigey
- Bignon
- Blanchier
- Blas
- Blot
- Bocquet
- Bohelay
- Boina
- Bonabesse
- Boterf
- Botrel
- Bouard
- Bouge
- Bougeard
- Boulanger
- Boulay
- Bouligaud
- Boulineau
- Bouquet
- Bourdin
- Boureau
- Bourg
- Bourgeois
- Bourgoin
- Boutier
- Boutihane
- Brabant
- Bregent
- Brenner
- Briesinger
- Brischoux
- Brisset
- Brisson
- Brivoal
- Brizard
- Brouard
- Bui
- Buisson
- Bureau
- Burguin
- Bustean
- Bélégou
- Cabelguen
- Cadio
- Cagnec
- Caheric
- Caillaud
- Caillibot
- Caimari
- Cales
- Camara
- Caoudal
- Capon
- Carer
- Carman
- Caroff
- Carrier
- Carrio
- Casanova
- Cattin
- Caudal
- Chagrot
- Chantreau
- Chartier
- Chauvin
- Chenard
- Chevallier
- Chevray
- Chevrollier
- Chupin
- Coadic
- Coadou