Paris - Île-de-France
- Contino
- Conway
- Coopman
- Coppalle
- Coppel
- Coquil
- Coquilleau
- Corbani
- Corbasson
- Corbelli
- Corbett
- Corbex
- Corbi
- Cordahi
- Corde
- Cordelier
- Cordella
- Corel
- Corgeron
- Coridon
- Corlobe
- Cornen
- Cornetto
- Cornily
- Corniou
- Cornuau
- Corona
- Corradi
- Corral
- Corrihons
- Corroyer
- Corsin
- Cortey
- Cortier
- Corvec
- Cosma
- Cossais
- Costea
- Costenoble
- Cotellon
- Cothenet
- Cotinat
- Cotineau
- Cottaris
- Cottebrune
- Cottenceau
- Cottias
- Cottrel
- Coty
- Couchaux
- Couchot
- Couchouron
- Coude Du Foresto
- Coudret
- Coudriou
- Couedic
- Couffon
- Coulibali
- Coullon
- Coune
- Counil
- Coupigny
- Couplet
- Courapied
- Courbier
- Courche
- Courgeon
- Cournarie
- Cournede
- Courregelongue
- Courroux
- Coursault
- Courtaigne
- Courte
- Courteaud
- Courtonne
- Cousinou
- Coussegal
- Coussement
- Coussinet
- Cousson
- Coustal
- Coustaud
- Coustet
- Coustou
- Coutal
- Coutelen
- Coutheillas
- Couthouis
- Coutolleau
- Coutou
- Coutris
- Couval
- Couzy
- Covas
- Coviaux
- Covier
- Coy
- Coyac
- Coyle