Rennes 35000 - Bretagne
- Cartesse
- Castille
- Cateline
- Catelli
- Caudy
- Caugant
- Causse
- Cavalier
- Cave
- Cavier
- Cayeul
- Cazenave
- Cazimoski
- Cazoulat
- Cazuc
- Celebi
- Celeste
- Celine
- Cenan
- Cenciai
- Cesbron
- Cha
- Chabane
- Chadhouli
- Chahid
- Chaigneau
- Chakir
- Chalm
- Chamaret
- Chambraud
- Chanclou
- Chanfi
- Chanson
- Chanteau
- Chantepie
- Chapeau
- Chapelet
- Chaplain
- Chaqra
- Charad
- Charlier
- Charlou
- Charlès
- Charnal
- Charon
- Charpy
- Charton
- Charuel
- Charvet
- Chassaing
- Chasse
- Chatelain
- Chatton
- Chaurand
- Chauviere
- Chauvire
- Chauvois
- Chedemail
- Chefdor
- Chenard
- Chenevière
- Chennouf
- Chenu
- Cherruault
- Chetoui
- 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