Le Relecq-Kerhuon 29480 - Bretagne
- Barbier
- Barbosa
- Barget
- Barrois Marrec
- Baslandze
- Bastard
- Bastien
- Batout
- Batrel
- Bauchet
- Bauda
- Baudet
- Baudray
- Baudu
- Bauer
- Bavay
- Bayle
- Bayon
- Bazile
- Beau
- Beauge
- Beaugé
- Becker
- Belhoste
- Bellanger
- Bellenger
- Bellion
- Belliot
- Bellot
- Ben Azouz
- Benech
- Bennini
- Berge
- Bernardini
- Berquez
- Berraho
- Berrehuel
- Berrou
- Bertault
- Berteau
- Berthe
- Berthele
- Berthois
- Berthoux
- Bertram
- Bertrand
- Berty Gourves
- Bervas Borso
- Bervas Le Menn
- Besnault
- Bettancourtlaluc
- Bettevy
- Beuzit
- Beyou
- Bezier
- Bian
- Bianeis
- Bianic
- Biannic
- Bidan
- Bideau
- Bidon
- Biesse
- Bigalion
- Bignard
- Bigouin
- Bilcot
- Bilien
- Billey
- Bisson
- Bitoun
- Blaize
- Blancquaert
- Blanluet
- Bled
- Bleunven
- Bloch
- Blons
- Blouch
- Bockler
- Bockstael
- Bodenez
- Bodin
- Bodolec
- Bodremon
- Bodénès
- Boece
- Boennec
- Boige
- Boinnot Colin
- Boisard
- Boisramé
- Boitel
- Bolina
- Bonavantur
- Bonder
- Bondil
- Bonesteve
- Bonnardot
- Bonniou