Bono 56400 - Bretagne
- Begot
- Bellay
- Belval
- Benard
- Benardais
- Bergere
- Bertin
- Besnier
- Besson
- Beuzit
- Beyssac
- Bigot
- Billard
- Binet
- Birien
- Blanchere
- Blin
- Blond
- Blourdier
- Bodere
- Bodilis
- Boissinot
- Bompais
- Bonard
- Bonis
- Bonnec
- Bories
- Bosschaert
- Bosshardt
- Botes
- Botrel
- Botti
- Boue
- Bour
- Bourdin
- Bourhis
- Bouvrand
- Bouyer
- Bouëssé
- Bregent
- Brel
- Briend
- Brise
- Brizard
- Broche-valence
- Browaeys
- Bruneau
- Brunet
- Brunier
- Buet
- Buffard
- Buhé
- Cabelguen
- Cadio
- Cadoret
- Caire
- Camart
- Cambou
- Camenen
- Cammarata
- Camus
- Cantero
- Cappe
- Carado
- Carre-laubigeau
- Caudet
- Chabbert
- Chabert
- Chaigneau
- Chalain
- Chamaillard
- Chapelain
- Chapon
- Chareton
- Chausse
- Chauvisé
- Chevreteau
- Cholet
- Cizeron
- Clairiot
- Claisse
- Cochennec
- Coeuru
- Collas
- Conquer
- Construction Dorso
- Corbel
- Coriton
- Corper
- Cotard
- Cottin
- Coucharrière
- Coudel
- Coudrin
- Courault
- Courtin
- Courty
- Cousin
- Cozannet
- Crampon