Rennes 35000 - Bretagne
- Claret
- Claudet
- Claudine
- Clauzier
- Clavere
- Clavot
- Clemencet
- Cleret
- Cleret de Langavant
- Clermont
- Climovich
- Clochet
- Cloerec
- Cloirec
- Closier
- Cloteau
- Clouard
- Cluzel
- Coatanea
- Coatanroch
- Coateval
- Coban
- Cobigo
- Cobut
- Cocherel
- Cocherie
- Cochevelou
- Cochin
- Cochonneau
- Codjia
- Coeffe
- Coelho
- Coeuret
- Coeuru
- Cogam
- Cognard
- Cognet
- Cogné
- Cohic
- Coic
- Coirier
- Colcombet
- Coldefy
- Colet
- Coleu
- Colinet
- Collas
- Colleau
- Colling
- Collobert
- Collomb
- Coloigner
- Colombier
- Colson
- Combaud
- Combe
- Combes
- Combescot
- Comboue
- Come
- Comere
- Comier
- Commandoux
- Commault
- Commeureuc
- Conquerant
- Constantin
- Contin
- Coolen
- Coquard
- Coquer
- Coquin
- Coquio
- Corbillon
- Corcuff
- Cordeau
- Corlouer
- Corne
- Cornier
- Cornou
- Cornu-deschamps
- Cornée
- Corot
- Corouge
- Corpet
- Correia
- Corriette
- Corrio
- Corson
- Corvez
- Cos
- Cosnard
- Cosperec
- Cossec
- Cosset
- Cossic
- Cossin
- Costalat
- Coste
- Cotard

