Rennes 35000 - Bretagne
- Charpy
- Charton
- Charuel
- Charvet
- Chassaing
- Chasse
- Chatelet
- Chatton
- Chaumont
- Chaurand
- Chauvire
- Chauvois
- Chefdor
- Chenard
- Chenevière
- Chennouf
- Chenu
- Cherif
- Cherruault
- Chetoui
- Chevy
- Chibaco
- Chicherie
- Chicoine
- Chinelli
- Choplin
- Chouin
- Christine
- Chèvre
- Chérel
- Cioban
- Clair
- Clara
- Clemenceau
- Clemencet
- Cleret de Langavant
- Clin
- Clisson
- Cloatre
- Clochet
- Clps
- Coateval
- Cochereau
- Coeurdacier
- Coeuru
- Cogam
- Cognard
- Cogne
- Cohignac
- Coiffard
- Colasse
- Coldefy
- Coleou
- Colet
- Colinet
- Collot
- Colombani
- Combaud
- Combeau
- Combes
- Combot
- Commeureuc
- Compaore
- Conoir
- Contin
- Coquard
- Coquil
- Corbet
- Cordeau
- Cordonnier
- Corentin
- Corlouer
- Corriette
- Cosnefroy
- Cosse
- Costes
- Cotard
- Cote
- Cotillard
- Cotin
- Cotte
- Couacault
- Coudert
- Coudoux
- Coudrin
- Coudron
- Couedic
- Couillard
- Coulange
- Coupel
- Couprie
- Couraud
- Courcier
- Courcoux
- Couronné
- Courtay
- Courtet
- Courtial
- Couve
- Craignou