Paris - Île-de-France
- Chhuor
- Chiara
- Chieu
- Chikly
- Choffel
- Cholley
- Chovet
- Christol
- Chtioui
- Cieslak
- Cioffi
- Ciric
- Cirillo
- Citerne
- Clam
- Clarac
- Claudin
- Claus
- Claustre
- Clemenceau
- Clemot
- Cluet
- Cluzeau
- Co Invest
- Coatleven
- Cochennec
- Codet
- Codina
- Coen
- Coet
- Cohen de Lara
- Cohen-boulakia
- Coiffier
- Coignet
- Coimbra
- Colard
- Colom
- Colombie
- Colomer
- Colot
- Combettes
- Combot
- Comes
- Compte
- Conchon
- Condé
- Connelly
- Conquy
- Content
- Coppey
- Coquillat
- Coralie
- Corbineau
- Cordoba
- Coret
- Corneille
- Coronel
- Corpuz
- Correard
- Corrot
- Corso
- Cortet
- Corthier
- Cortot
- Coskun
- Cossart
- Cotty
- Couaillier
- Coubard
- Couchy
- Coudrin
- Coudurier
- Couesnon
- Couette
- Coulais
- Coulange
- Coulot
- Coupey
- Coupez
- Courault
- Courbet
- Coureau
- Courreges
- Courtaux
- Courteault
- Courtes
- Courtoux
- Cousquer
- Coutier
- Coutinho
- Couvin
- Coyne
- Cregut
- Cremieux
- Crepey
- Crestani
- Cretinoir
- Creton
- Criton
- Crochard