Paris - Île-de-France
- Casagrande
- Cassaigne
- Castagnet
- Castellan
- Castor
- Catel
- Cathelineau
- Cattani
- Caubet
- Caugant
- Cayeux
- Cazeau
- Celestine
- Censier
- Cessot
- Ceyrac
- Chabry
- Chagnaud
- Chagny
- Chahbani
- Chamaillard
- Chambers
- Chaminade
- Chamoun
- Chanard
- Chandler
- Chantome
- Chappert
- Charaf
- Charifi
- Charkaoui
- Charrel
- Charreyre
- Chatelard
- Chauffour
- Chaussin
- Chautemps
- Chehab
- Chemlali
- Chenard
- Chennoufi
- Cherni
- Cherubin
- Chesnot
- Chevallereau
- Chevalley
- Chevron
- Chiffoleau
- Chipot
- Chitrit
- Chomel
- Choux
- Christen
- Chrétien
- Chuang
- Chun
- Chuzel
- Ciavaldini
- Cisinski
- Citron
- Claes
- Clanet
- Clarisse
- Clary
- Clastres
- Clauss
- Claux
- Clemenceau
- Clin
- Cluzeau
- Co
- Coche
- Coeur
- Coffi
- Cohn
- Coiffier
- Collonge
- Colmant
- Colom
- Colombie
- Colomes
- Coma
- Coman
- Combelles
- Comelli
- Comet
- Commault
- Common
- Compan
- Condemine
- Condé
- Conort
- Contini
- Conty
- Coppens
- Corbineau
- Corby
- Corchia
- Corentin
- Corera