Rennes 35000 - Bretagne
- Chassaing
- Chatelain
- Chatelet
- Chatton
- Chaudet
- Chaumont
- Chausse
- Chauvigne
- Chauvire
- Chauvois
- Chave
- Chebaro
- Chefdor
- Chellali
- Chenard
- Chenevière
- Chenu
- Chenut
- Cherif
- Chermat
- Cherruault
- Cherville
- Chesnot
- Chetoui
- Chevreau
- Chevy
- Chicherie
- Chidenne
- Chiloux
- Chouin
- Christian
- Chérel
- Cinar
- Clemence
- Cleret de Langavant
- Clermont
- Clet
- Clouard
- Clps
- Coativy
- Cochereau
- Coconnier
- Cocoual
- Coeurdacier
- Coeurdray
- Cogne
- Cognet
- Coiffard
- Coiffic
- Coldefy
- Collette
- Collignon
- Collomb
- Colombani
- Combeau
- Combes
- Combot
- Comby
- Commandoux
- Commereuc
- Compain
- Conoir
- Contin
- Coquil
- Corbillon
- Cordeau
- Corno
- Cornou
- Corriette
- Cortillot
- Cosnefroy
- Cosqueric
- Cossec
- Costes
- Cotin
- Cotte
- Coualan
- Coudoux
- Coudron
- Couedic
- Couffon
- Couprie
- Courcoux
- Couronné
- Courtial
- Couve
- Coyac
- Cren
- Crepin
- Crestey
- Crete
- Creze
- Crnokrak
- Crouan
- Cruble
- Crusniere
- Crusson
- Cury
- d'arras
- Dabo