Paris - Île-de-France
- Contard
- Conter
- Contet
- Contino
- Contrepas
- Coopman
- Coppa
- Coppel
- Coquil
- Coquilleau
- Corantin
- Corbani
- Corbasson
- Corbex
- Cord
- Corde
- Cordel
- Cordella
- Cordet
- Cordi
- Corel
- Corfmat
- Coridon
- Corlobe
- Cornetto
- Cornillon
- Cornily
- Corniou
- Corona
- Corral
- Corrihons
- Corroyer
- Corruble
- Corsin
- Corteel
- Cortey
- Cortin
- Corvec
- Cosma
- Cossic
- Costea
- Costenoble
- Cotellon
- Cotinat
- Cotineau
- Cottebrune
- Cottenceau
- Cottrel
- Cottret
- Coty
- Couchaux
- Couchot
- Couchouron
- Coude Du Foresto
- Couder
- Coudret
- Couedic
- Couffon
- Coulibali
- Coullon
- Coune
- Counil
- Coupel
- Coupigny
- Couratier
- Courbier
- Courbiere
- Courche
- Courdier
- Courgeon
- Couriol
- Cournarie
- Cournede
- Courroux
- Coursault
- Coursier
- Coursol
- Courtaigne
- Courte
- Courtiade
- Courtonne
- Cousinou
- Coussegal
- Coussement
- Coustal
- Cousteix
- Coustet
- Coute
- Couteille
- Coutelen
- Coutheillas
- Couthon
- Couthouis
- Coutolleau
- Coutou
- Coutris
- Coutureau
- Couve de Murville
- Couverchel
- Couzi