Rennes 35000 - Bretagne
- Christine
- Chèvre
- Chérel
- Cioban
- Clemencet
- Cleret de Langavant
- Clin
- Clisson
- Clochet
- Clouard
- Clps
- Coativy
- Cochereau
- Cocherel
- Coeurdacier
- Coeurdray
- Coeuru
- Cognard
- Cogne
- Coiffard
- Coldefy
- Coleou
- Colet
- Colinet
- Collignon
- Colliot
- Collot
- Colombani
- Coly
- Combaud
- Combeau
- Combes
- Combot
- Compain
- Compaore
- Conoir
- Conquer
- Coquard
- Coquelet
- Corbet
- Cordeau
- Cordonnier
- Correia
- Corriette
- Cosnefroy
- Costes
- Cotard
- Cote
- Cotillard
- Cotin
- Cotte
- Couacault
- Coudert
- Coudoux
- Coudron
- Couffon
- Coupel
- Couprie
- Couraud
- Courcier
- Courcoux
- Couronné
- Courtial
- Couve
- Craignou
- Creac'h
- Crestey
- Crete
- Creze
- Crnokrak
- Croizer
- Crolais
- Croq
- Crouzet
- Cruaud
- Crusniere
- Cudennec
- Cuvillier
- Cyrille
- Dagorn
- Daguenet
- Daher
- Dahilou
- Dahirel
- Dahyot
- Daigre
- Daligault
- Dalle
- Dang
- Danjou
- Dantec
- Danveau
- Danze
- Dao
- Daoudal
- Daoudi
- Dardenne
- Darkaoui
- Dauleu
- Dauny