Josselin 56120 - Bretagne
- Bayon
- Beauperin
- Beauperrin
- Bego
- Bellec
- Bellot
- Bernasconi
- Bertho
- Berthonneau
- Bescond
- Besnard
- Besnea
- Besrest
- Bigaud
- Bigot
- Biojout
- Biscuiterie
- Blanche
- Boclaud
- Boeffard
- Bolander
- Bonable
- Bondon
- Bondu
- Bonenfant
- Bonnin
- Borgard
- Borrel
- Borsarello
- Boudot
- Bougo
- Bouillot
- Bouldouyre
- Bouliere
- Boulle
- Bourdin
- Bourguignon
- Bouté
- Boyer
- Breen
- Bregent
- Bril
- Brisse
- Brulé
- Brunel
- Buffard
- Buleon
- Burlot
- Bussy
- Cadiou
- Calas
- Campion
- Caraes
- Cardon
- Cargoet
- Carlach
- Carpinteri
- Cassrels
- Cavron
- Cazaux
- Cesbron
- Cham Hu Theng
- Chan Hu Theng
- Chappelle
- Charazade
- Charbonnier
- Charles
- Charmes
- Charpentier
- Chasles
- Chasse
- Chauffour
- Chefdor
- Chevalier
- Chevrel de Frileuse
- Choisier
- Choisnel
- Chotard
- Chouffeur
- Christoplos
- Clarke
- Claude
- Claustra
- Clavier
- Coe
- Cohic
- Coignard
- Colin
- Collet
- Colombier
- Combes
- Correia
- Costard
- Couedic
- Coupry
- Courtecuisse
- Courtel
- Courtois
- Cousineau
- Couturier
