Rennes 35000 - Bretagne
- Boutet
- Bouttier
- Bouziani
- Brandhonneur
- Brebion
- Briant
- Briat
- Bricaud
- Brient
- Brohan
- Brossais
- Brosseau
- Brousse
- Brown
- Bruchet
- Brunard
- Brune
- Buard
- Budor
- Buffet
- Bui
- Buisard
- Bulourde
- Bunel
- Buot
- Buquen
- Burban
- Burgaud
- Burin
- Burklin
- Burot
- Cade
- Cahu
- Caillault
- Caille
- Caillot
- Calmes
- Calohard
- Campion
- Canevet
- Carbonnel
- Caret
- Carreau
- Cassard
- Castelain
- Caudal
- Caudan
- Cellier
- Celton
- Cetinkaya
- Cevaer
- Cevik
- Chapdelaine
- Chapelain
- Chaplais
- Charil
- Charon
- Chartrain
- Chaudet
- Chaussavoine
- Chausse
- Chave
- Chedemail
- Cheneau
- Chenut
- Chesnin
- Chesnot
- Chidenne
- Christien
- Christine
- Clair
- Claire
- Clerc
- Cloatre
- Clolus
- Coadic
- Cocaign
- Coconnier
- Coiffic
- Collard
- Colleaux
- Colliaux
- Collomb
- Commeureuc
- Comte
- Constant
- Coqk
- Coquerel
- Coquet
- Coquillet
- Corbillon
- Cordelier
- Coriton
- Cornée
- Cortillot
- Cosnier
- Cosquer
- Cosset
- Coto
- Cotten