Paris - Île-de-France
- Cioffi
- Ciric
- Cirotteau
- Clabaut
- Clarac
- Claudin
- Claudot
- Clause
- Clere
- Clisson
- Clotaire
- Clotilde
- Cluzet
- Co Invest
- Coatleven
- Coblence
- Codet
- Codina
- Coeurderoy
- Coezy
- Cohen de Lara
- Cohendet
- Coillot
- Coimbra
- Colom
- Colomer
- Colot
- Colucci
- Combette
- Combres
- Combret
- Comet
- Condemine
- Conquy
- Contamine
- Content
- Coppet
- Coqueret
- Coquillat
- Cor
- Coralie
- Corbineau
- Cordova
- Corentin
- Corera
- Coriou
- Corniere
- Cornil
- Corrales
- Corso
- Corson
- Cortet
- Cortial
- Cortot
- Corvez
- Coskun
- Cosnefroy
- Costedoat
- Costet
- Cota
- Cotty
- Coubard
- Coucaud
- Coudoux
- Coudrier
- Couesnon
- Couillard
- Coulange
- Coupey
- Coupigny
- Courault
- Courbet
- Courcol
- Courmont
- Courrier
- Courtaux
- Courtes
- Coury
- Coussy
- Coutanceau
- Coutellier
- Couvez
- Covindassamy
- Coyne
- Cozzolino
- Craipeau
- Cransac
- Crepel
- Creppy
- Cressent
- Crete
- Creton
- Croissant
- Cronier
- Cruciani
- Crusson
- Cuenca
- Cuer
- Cunin
- Curis
