Lorient 56100 - Bretagne
- Baccarard
- Bachelet
- Bagot
- Bagousse
- Bahlouli
- Bailliencourt
- Bailly
- Bakir
- Bakran
- Balcon
- Baledens
- Banaz
- Bance
- Banou
- Bara
- Baraer
- Barat
- Barbancon
- Barbat
- Barbaud
- Barbe
- Barbot
- Barclay
- Bardant
- Bardelli
- Bardi
- Bardy
- Baril
- Baronnet
- Barraud
- Barrier
- Barros
- Barthelemy
- Barthet
- Barzic
- Bassal
- Bastard
- Basuyaux
- Baudin
- Bauval
- Bayhan
- Bazin
- Bazin Jacqueline
- Bazire
- Be
- Beauchamps
- Becdelievre
- Bechard
- Becquart
- Bego
- Begue
- Beguin
- Bekbouki
- Belbeoch
- Belkhelfa
- Bella
- Bellalin
- Bellier
- Bellot
- Ben Miloud
- Benabdallah
- Bendahou
- Bengu
- Benhamou
- Benheddi
- Bennard
- Bera
- Berard
- Beraud
- Bercy
- Bernardet
- Bernery
- Bernier
- Berrehar
- Berroche
- Berthic
- Berthier
- Bervas
- Berville
- Bessiere
- Beurrel
- Beuve-mery
- Beyou
- Beyria
- Bichon
- Bidaud
- Bidon
- Bienaime
- Bigouin
- Bihel
- Billaud
- Bille
- Billy
- Bily
- Binard
- Binet
- Bircan
- Biroteau
- Bleuse
- Blieck