Bono 56400 - Bretagne
- Barbette
- Bardou
- Bardouil
- Barel
- Baron
- Beatrice
- Bechennec
- Begot
- Beinvel
- Bellay
- Belval
- Benard
- Benardais
- Bergere
- Bertin
- Besnier
- Besson
- Beuzit
- Bigot
- Billard
- Binet
- Birien
- Blatrix
- Blin
- Blond
- Blourdier
- Boissinot
- Bompais
- Bonard
- Bonis
- Bonnec
- Bosschaert
- Bosson
- Botes
- Botrel
- Botti
- Bour
- Bourdin
- Bourhis
- Bourlier
- Bouton
- Bouëssé
- Bregent
- Briend
- Brizard
- Broche-valence
- Browaeys
- Bruneau
- Bruneau Diane
- Brunet
- Brunier
- Buchbinder
- Buet
- Buffard
- Buhé
- Bureau
- Burr
- Béchennec
- Cabelguen
- Cadio
- Caire
- Cam
- Camart
- Cambou
- Camenen
- Cammarata
- Camus
- Cantero
- Carado
- Carre-laubigeau
- Chabert
- Chalain
- Chamaillard
- Chapelain
- Chapon
- Chatelot
- Chausse
- Chauvisé
- Chevreteau
- Chiffoleau
- Cholet
- Chopin
- Chotard
- Cizeron
- Claisse
- Cochennec
- Coeuru
- Collas
- Conquer
- Construction Dorso
- Corbel
- Corper
- Cotard
- Cottin
- Coucharrière
- Coudel
- Courtin
- Courty
- Cozannet
- Crampon
