Paris - Île-de-France
- Citot
- Civel
- Clairefond
- Clance
- Clarin
- Claudin
- Claudot
- Clause
- Cledat
- Clementine
- Clerici
- Clerico
- Clisson
- Clostre
- Clotail
- Clotilde
- Clouzeau
- Coadou
- Cochelin
- Cocquet
- Coeuret
- Cohen Skalli
- Cohen-skalli
- Coia
- Coic
- Coicadan
- Coillot
- Cointepas
- Coirre
- Cojan
- Colcombet
- Colella
- Colleaux
- Colon
- Colosimo
- Combaz
- Combemorel
- Combret
- Combrouze
- Comment
- Compaore
- Compoint
- Condamin
- Conforti
- Conrath
- Conroy
- Conseil
- Conteh
- Convers
- Coppa
- Coppet
- Coquio
- Corazza
- Corcia
- Cordelle
- Cordesse
- Cordial
- Cordova
- Corlay
- Cormerais
- Cornee
- Cornuel
- Corrales
- Correard
- Correas
- Corrin
- Cortese
- Corty
- Cosich
- Cosserat
- Costamagna
- Costedoat
- Cota
- Couasnon
- Couchet
- Coucke
- Coudin
- Coudon
- Coudoux
- Coudry
- Couget
- Coullet
- Coupeau
- Coupet
- Couralet
- Courbe
- Courchay
- Courdavault
- Courgey
- Courie
- Courpied
- Courquin
- Coursin
- Courtheoux
- Coutanceau
- Coutarel
- Couve
- Couvidat
- Couvignou
- Couvret