Rennes 35000 - Bretagne
- Bargain
- Barrel
- Barriere
- Barzic
- Baslé
- Bataillon
- Batteux
- Baudot
- Baudrier
- Bayon
- Bazire
- Becan
- Becherie
- Bechu
- Beguin
- Bellamy
- Belle
- Bellion
- Beloeil
- Benis
- Bensrhir
- Beraud
- Bergere
- Bergot
- Berthault
- Bertier
- Berton
- Bertru
- Bervas
- Bethuel
- Beuron
- Bezirgan
- Bidet
- Biet
- Binard
- Blais
- Blandeau
- Bloyet
- Bobet
- Bobon
- Boca
- Boeffard
- Boheas
- Boina
- Boinet
- Boishu
- Boisnard
- Boisneault
- Boissy
- Boiteau
- Boixiere
- Boko
- Bonjour
- Bonnard
- Bonnaud
- Bonnel
- Boquet
- Bordes
- Borgne
- Bornais
- Bosser
- Botherel
- Bothorel
- Bouaita
- Boucard
- Boudard
- Boudry
- Bouesnard
- Bouetel
- Bouffort
- Bougault
- Bouhours
- Bouillon
- Boulain
- Boulic
- Bour
- Bourgeault
- Bourgogne
- Bouric
- Boutet
- Bouziani
- Brandhonneur
- Brebion
- Briat
- Bricaud
- Brient
- Brohan
- Brossais
- Brousse
- Brown
- Bruchet
- Brunard
- Brune
- Buard
- Bucaille
- Budor
- Bui
- Bulourde
- Bunel
- Buot