Paris - Île-de-France
- Casalonga
- Castaneda
- Castellan
- Castet
- Castillon
- Catalano
- Catel
- Catillon
- Catoire
- Cattin
- Cavalieri
- Caye
- Cayron
- Ceccarelli
- Chabanon
- Chaboche
- Chabod
- Chaboud
- Chalandon
- Chamoun
- Champey
- Chaney
- Chareton
- Charmasson
- Charnay
- Charoy
- Charra
- Charret
- Charruau
- Chassain
- Chastenet
- Chataing
- Chaudemanche
- Chaumier
- Chaussade
- Chazot
- Chehab
- Chemouni
- Chenais
- Chentouf
- Cherni
- Chevron
- Chloe
- Cholley
- Choplin
- Choueiri
- Chouquet
- Christelle
- Christmann
- Cicurel
- Claes
- Clais
- Claudia
- Clavaud
- Claveau
- Co
- Coen
- Coiffier
- Colboc
- Colliot
- Collombet
- Commelin
- Compin
- Constantinescu
- Contat
- Coppens
- Corbineau
- Corentin
- Cornelis
- Corsi
- Cosme
- Cossec
- Costard
- Cotel
- Cotta
- Couillard
- Courau
- Cournut
- Courrege
- Courtinat
- Coutand
- Coutelle
- Couzineau
- Cramer
- Cremades
- Cremieux
- Crepy
- Creuzet
- Crinon
- Cristea
- Crombez
- Cronier
- Crozier
- Cueff
- Cueille
- Cukierman
- Cunin
- Cure
- Curiel
- Curt