Paris - Île-de-France
- Cornuel
- Cornuot
- Coronado
- Corradi
- Corral
- Corrihons
- Corriol
- Corsino
- Cortey
- Coruble
- Corveller
- Corvi
- Cosnard
- Cossa
- Cossin
- Costagliola
- Costea
- Costin
- Costiou
- Cotellon
- Cothenet
- Cotillard
- Cotillon
- Cotin
- Cotinaud
- Cotineau
- Coto
- Cotonnec
- Cottenot
- Cottrel
- Couanon
- Couasnon
- Couchaux
- Couchet
- Coudret
- Coudry
- Coudy
- Couedic
- Couffon
- Couget
- Couji
- Coulom
- Coumau
- Counil
- Coupel
- Coupet
- Couppey
- Couque
- Couralet
- Courapied
- Couratier
- Courbier
- Courche
- Courel
- Courgeon
- Courgey
- Couriol
- Cournede
- Courregelongue
- Coursaget
- Coursault
- Coursier
- Courtemanche
- Courtonne
- Cousi
- Coussegal
- Cousseran
- Coussieu
- Coustal
- Cousteau
- Coustet
- Coutelen
- Coutelier
- Coutou
- Couvert
- Couvreux
- Couzy
- Coy
- Coyard
- Coz
- Cozian
- Cracco
- Crampon
- Craplet
- Crapoulet
- Crausaz
- Credoz
- Cremoux
- Crenin
- Cressan
- Cresseaux
- Cressot
- Cressy
- Creste
- Crestin
- Cret
- Cretegny
- Cretel
- Crettenand
- Cretu

