Rennes 35000 - Bretagne
- Chaurand
- Chauviere
- Chauvire
- Chauvois
- Chedemail
- Chefdor
- Chenard
- Chenevière
- Chennouf
- Chenu
- Cherruault
- Chesnot
- Chetoui
- Chevreuil
- Chevy
- Chicard
- Chicherie
- Chinelli
- Chouin
- Christine
- Chèvre
- Chérel
- Cioban
- Clemenceau
- Clemencet
- Cleret de Langavant
- Clin
- Clisson
- Clochet
- Clps
- Coateval
- Coativy
- Cochereau
- Cocherel
- Coeurdacier
- Coeuru
- Cognard
- Cogne
- Coiffard
- Colasse
- Coldefy
- Coleou
- Colet
- Colinet
- Collard
- Colliot
- Collot
- Colombani
- Combaud
- Combeau
- Combes
- Combot
- Commeureuc
- Compain
- Compaore
- Conoir
- Coquard
- Coquil
- Corbet
- Cordeau
- Cordonnier
- Correia
- Corriette
- Cosnefroy
- Costes
- Cotard
- Cote
- Cotillard
- Cotin
- Cotte
- Couabault
- Couacault
- Coudert
- Coudoux
- Coudron
- Couffon
- Couillard
- Coupel
- Couprie
- Couraud
- Courcier
- Courcoux
- Couronné
- Courtial
- Couve
- Craignou
- Creac'h
- Crepin
- Crestey
- Crete
- Creusot
- Creze
- Crnokrak
- Croizer
- Crolais
- Croq
- Crouzet
- Cruaud
- Crusniere
- Cudennec