Rennes 35000 - Bretagne
- Charlou
- Charlès
- Charnal
- Charpy
- Charton
- Charuel
- Charvet
- Chassaing
- Chasse
- Chatelain
- Chatton
- Chaurand
- Chauviere
- Chauvire
- Chauvois
- Chebani
- Chefdor
- Chenard
- Chenevière
- Chennouf
- Chenu
- Cherif
- Cheron
- Cherruault
- Chetoui
- Chevreuil
- Chevy
- Chicard
- Chicherie
- Chiloux
- Chinelli
- Chouin
- 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
- Collot
- Colombani
- Coly
- Combaud
- Combeau
- Combes
- Combot
- Compain
- Compaore
- Conoir
- Conquer
- Copin
- Coquard
- Coquelet
- Coquil
- Corbet
- Cordeau
- Cordonnier
- Cornut
- 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