Paris - Île-de-France
- Chovet
- Christien
- Chtioui
- Cicek
- Cieutat
- Cima
- Ciret
- Ciric
- Citroen
- Cittanova
- Clabaut
- Clamagirand
- Clar
- Claudio
- Claus
- Clay
- Clergue
- Climent
- Clisson
- Clotaire
- Clout
- Coatleven
- Coblence
- Cocheton
- Codaccioni
- Coeurderoy
- Cohen de Lara
- Cohen-salmon
- Cohendet
- Coic
- Coignet
- Colot
- Colucci
- Combaluzier
- Combres
- Comes
- Compper
- Condat
- Conesa
- Cong
- Contamine
- Contassot
- Coolen
- Coppolani
- Coq
- Coquille
- Cor
- Cordin
- Cordon
- Coriou
- Corniere
- Cornil
- Corpechot
- Corti
- Cortial
- Corticchiato
- Cortot
- Corvez
- Costa de Beauregard
- Costanza
- Costet
- Cotonnec
- Cotto
- Coucaud
- Couchy
- Coudrier
- Couedel
- Coulondre
- Coumes
- Coupin
- Courcelle
- Courcelles
- Courreges
- Courtille
- Coury
- Coutelier
- Coutellier
- Coutier
- Couvez
- Couvreux
- Covindassamy
- Covos
- Coyne
- Coze
- Cozzi
- Cransac
- Craquelin
- Cras
- Creignou
- Creppy
- Crete
- Cretin
- Creton
- Creux
- Croissant
- Cross
- Cruchet
- Cruciani
- Crusson
- Cubaynes