Châteauneuf-du-Faou 29520 - Bretagne
- Ball
- Balquer
- Bara
- Barberin
- Bargain
- Barker
- Bassombog
- Baudoin
- Beaulieu
- Becl
- Belin
- Belkhiri
- Belloche
- Bergot
- Berrou
- Berry
- Berthelot
- Berthélémé
- Bertrand
- Betrom
- Bideau
- Bidon
- Bier
- Biger
- Bigoin
- Bigon
- Bihel
- Bilirit
- Birrien
- Bloas
- Bobille
- Bodiger
- Bodin
- Boeuf
- Bongard
- Bonin
- Bonizec
- Bonnet
- Bonvoisin
- Borel
- Borgnet
- Bothuan
- Boudehen
- Bouillet
- Boulic
- Boumtje
- Bourhis
- Bouvier
- Bouzard
- Bowden
- Bozec
- Bramoulle
- Breut
- Brianceau
- Briand
- Bridonneau
- Bronnec
- Broustaut
- Buchet
- Bumbu
- Burke
- Caballero Louedec
- Cabon
- Caboz
- Cadoret
- Cadudal
- Calvarin
- Cam
- Candre
- Cantin
- Catania
- Caussin
- Ce Socopa
- Ceppaglia
- Cequeira
- Cervera
- Chabbert
- Chaminand
- Champion
- Changenot
- Charter
- Chaussy
- Chaussy Herve
- Chene
- Cherel
- Chevalier
- Chevance
- Chouchaoui
- Chérel
- Ciuca
- Claquin
- Cloitre
- Cléren
- Coadic
- Cochard
- Cochen
- Cocq
- Codrus
- Coillet
- Coisy