Rennes 35000 - Bretagne
- Breuil
- Briant
- Briault
- Brochet
- Bronsard
- Brouillet
- Brouster
- Broux
- Brouxel
- Brueziere
- Bruyant
- Bry
- Buchet
- Budor
- Buet
- Bunouf
- Burgaud
- Burma
- Bussy
- Béasse
- Bénis
- Caballero
- Cabel
- Cabillic
- Cade
- Cadeau
- Cadec
- Cadiet
- Cadot
- Cadudal
- Cahn
- Caillarec
- Caillault
- Cakmakli
- Calohard
- Camille
- Canevet
- Capitan
- Caplier
- Caris
- Carissan
- Carlo
- Carluer
- Carrier
- Carteron
- Cartron
- Carvalho
- Cassard
- Castille
- Castro
- Cateline
- Catelli
- Catrevaux
- Catros
- Cauvin
- Cavallo
- Cavelier
- Cazenave
- Cellier
- Cerisier
- Cetinkaya
- Chable
- Chagnon
- Chakir
- Chalopin
- Chalumeau
- Champigny
- Chanel
- Chantal
- Chanteau
- Chantepie
- Chaoui
- Chaplais
- Chaqra
- Charif
- Charlier
- Charnal
- Charvet
- Chasle
- Chasles
- Chassan
- Chataigner
- Chatal
- Chateauvieux
- Chatelain
- Chatelier
- Chau
- Chaumont
- Chauvigne
- Chauvire
- Chayoux
- Chazé
- Chea
- Cheftel
- Chelda
- Cheminel
- Chenevière
- Chennouf
- Chenut
- Cheriaux