Plougasnou 29630 - Bretagne
- Bourgine
- Bourles
- Bourno
- Bourre
- Bourven
- Bourven Gourret
- Bouttier
- Braconi
- Branchard
- Brenner
- Bret
- Bretagne
- Breton
- Briand
- Briendo
- Brillat-savarin
- Brisset
- Brossard
- Brosswitz
- Brouck-loncke
- Brun
- Bréhin
- Buck
- Buhot Launay
- Buhot-launay
- Busson
- Buzaré
- Bénacquista
- Cadiou-pouliquen
- Cailliez
- Caisez
- Callewaert
- Campello
- Campredon
- Canchon
- Canivet
- Carera
- Carn
- Carpentier
- Carrara
- Cartier
- Cazaux
- Centre Keravel
- Chadwick
- Champciaux
- Chapel
- Chat
- Chatard
- Chau
- Chaumont
- Chaussec
- Chautard
- Chene-lepagnol
- Cherel
- Chevaillier
- Chevalier
- Chevillot
- Chevreuil
- Cholley
- Chopy
- Choquer Gourvès
- Choquer-gourvès
- Chretien
- Chrissement
- Christie
- Cieutat
- Claudel
- Claus
- Cleguer
- Clement
- Cloarec
- Clédic
- Coant
- Cochard
- Cochet
- Coffin
- Cofibe
- Cogne Charlot
- Cogné
- Cogrel
- Colette
- Collar
- Collard
- Collet
- Colléter
- Come
- Connan
- Coppin
- Coquil Levenez
- Coquin
- Corbel
- Corboliou
- Cormerais
- Corvellec
- Cosson
- Cotonnec
- Cotrian
- Cotty
- Couloigner
- Coulombel