Paris - Île-de-France
- Cornuault
- Cornudet
- Cornuel
- Cornuot
- Corral
- Corret
- Corsino
- Corveller
- Corvi
- Cosialls
- Cosnard
- Cosqueric
- Cossin
- Costanzo
- Costecalde
- Costerousse
- Costiou
- Cotard
- Cotelle
- Cothenet
- Cotin
- Cottenot
- Cottret
- Coty
- Coubes
- Coudreau
- Coudy
- Coulier
- Coulombel
- Couly
- Coumau
- Coupel
- Coupet
- Coupigny
- Couppe
- Couppey
- Couratier
- Courbiere
- Courbot
- Courchinoux
- Courdavault
- Courel
- Couriol
- Cournet
- Cournil
- Coursaget
- Coursier
- Courtaigne
- Courteaud
- Courtemanche
- Courtheoux
- Cousi
- Coussement
- Cousseran
- Cousson
- Coussot
- Cousteix
- Couston
- Cousy
- Coute
- Coutureau
- Couve
- Couve de Murville
- Couvrat
- Couvreux
- Couzinier
- Couzon
- Coyac
- Crampon
- Creantor
- Credoz
- Cremel
- Cremniter
- Cremona
- Cressan
- Cressy
- Cretu
- Crevel
- Crochu
- Crouan
- Crouzat
- Cruickshank
- Cruzel
- Créange
- Crépin
- Cuchet
- Cudennec
- Cueto
- Culerrier
- Culioli
- Cumunel
- Cuoq
- Cupillard
- Curet
- Curto
- Curty
- Custodio
- Custos
- Cuypers
- Cvoric
