Rennes 35000 - Bretagne
- Aveline
- Ay
- Aze
- Baco
- Badoual
- Balan
- Bangoura
- Bara
- Baratte
- Bardaine
- Bardon
- Bardoux
- Baret
- Bargain
- Barrat
- Barrel
- Barriere
- Barzic
- Basslam
- Bataillon
- Batteux
- Baudot
- Baudrier
- Becan
- Becherie
- Bechu
- Becquet
- Bedouin
- Beghin
- Bellion
- Beloeil
- Benis
- Bensrhir
- Bergere
- Bergot
- Berthault
- Berthou
- Bertier
- Berton
- Bertru
- Bervas
- Bethuel
- Beuron
- Bezirgan
- Bidet
- Biet
- Binard
- Blais
- Blandeau
- Bloch
- Bloyet
- Bobet
- Bobon
- Boca
- Boeffard
- Boheas
- Boina
- Boinet
- Bois
- Boishu
- Boisnard
- Boisneault
- Boissy
- Boiteau
- Boixiere
- Boko
- Bonjour
- Bonnard
- Bonnaud
- Bonnechere
- Bonnel
- Boquet
- Bordes
- Borgne
- Bornais
- Bosc
- Bosser
- Botherel
- Bothorel
- Boucard
- Boucherie
- Boudry
- Bouetel
- Bouffort
- Bougault
- Boulic
- Boumaraf
- Bour
- Bourgeault
- Bourgogne
- Boutet
- Bouttier
- Bouziani
- Brandhonneur
- Brebion
- Briant
- Briat
- Bricaud
- Brient
- Brohan