Saint-Malo 35400 - Bretagne
- Briere
- Brignon
- Brindjonc
- Brisset
- Brouillard
- Broussais
- Bruchet
- Brugalay
- Brugaro
- Brunel
- Bryon
- Bucaille
- Buffard
- Buffet
- Bunetel
- Burlot
- Burnel
- Burvingt
- Busson
- Cabello
- Cabioch
- Cadic
- Cadieu
- Cadoret
- Caffin
- Cahue
- Callant
- Cam
- Camara
- Camard
- Camarena
- Camerlynck
- Camous
- Candy
- Canet
- Cannet
- Capelle
- Capliez
- Capron
- Caret
- Carfantan
- Cariou
- Carnet
- Carpana
- Carrel
- Carrette
- Carvalho
- Castaingt
- Casu
- Caty
- Cavret
- Cayre
- Cazac
- Ceillier
- Cellier
- Cere
- Cevaer
- Chabot
- Chaignon
- Chalon
- Chalopin
- Chamiot-poncet
- Champagne
- Chancerel
- Chantrel
- Chanu
- Chanvrin
- Chapdelaine
- Chapeau
- Chapet
- Chapron
- Chapuis
- Charlet
- Charre
- Charruel
- Chassard
- Chateau
- Chaussavoine
- Chauvet
- Chauvigne
- Chavanne
- Chebli
- Chedeville
- Chenard
- Cherbonnel
- Cherbonnet
- Chereau
- Cherruau
- Chesnoy
- Chetara
- Chevreton
- Chevy
- Cheze
- Chicherie
- Chiraux
- Chistrel
- Chocteau
- Choisnet
- Chouamier
- Choupeaux