Paris - Île-de-France
- Condamine
- Condroyer
- Conge
- Congnard
- Coniglio
- Conin
- Consoli
- Contamin
- Contard
- Conway
- Coopman
- Coppalle
- Coppel
- Coquil
- Coquillas
- Coquilleau
- Corazza
- Corbani
- Corbasson
- Corbelli
- Corbex
- Corbi
- Corbillon
- Corcelle
- Cordahi
- Cordelier
- Cordella
- Corel
- Corgeron
- Coridon
- Corlobe
- Cornen
- Cornuau
- Corona
- Coronado
- Corradi
- Corradini
- Corrihons
- Corroyer
- Cortey
- Cortier
- Corvec
- Cosma
- Cossais
- Costagliola
- Costea
- Costenoble
- Cotellon
- Cotillon
- Cotinat
- Cotineau
- Coto
- Cottaris
- Cottebrune
- Cottenceau
- Cottias
- Cottrel
- Couanon
- Couchaux
- Couchot
- Couchouron
- Coude Du Foresto
- Coudret
- Coudriou
- Couedic
- Couffon
- Coulibali
- Coullon
- Coulom
- Coune
- Counil
- Couplet
- Couque
- Courapied
- Courbier
- Courche
- Courio
- Cournarie
- Cournede
- Courregelongue
- Courroux
- Coursault
- Coursimault
- Courtiade
- Courties
- Courtonne
- Coussegal
- Coustal
- Coustaud
- Couste
- Coustet
- Coustou
- Coutal
- Coutelen
- Coutheillas
- Couthouis
- Coutinet
- Coutolleau
- Coutou
- Coutris