Paris - Île-de-France
- Cimma
- Cintract
- Ciocca
- Ciofi
- Ciofolo
- Cioni
- Ciornei
- Ciraolo
- Ciredeck
- Cirelli
- Cirot
- Cirrincione
- Cissako
- Citadelle
- City
- Ciulla
- Ciup
- Civiero
- Civil
- Civis
- Cizeau
- Clairice
- Clairotte
- Clamart
- Clancy
- Clapot
- Clappier
- Clarens
- Claris
- Clasquin
- Clatot
- Claudeon
- Claudine
- Clausel
- Clausener
- Claussmann
- Claustrat
- Claustres
- Clauvel
- Clauzade
- Clauzon
- Claver
- Claveria
- Claviere
- Clavijo
- Clayer
- Clec'h
- Clemencin
- Clement Grandcourt
- Clementi
- Clements
- Clemessy
- Cleofe
- Cler
- Clerempuy
- Clergerie
- Clerice
- Clerima
- Clerin
- Clero
- Cleva
- Clevenot
- Clever
- Clichy
- Clier
- Clinquart
- Clipal
- Clipet
- Clocher
- Clodomir
- Cloteaux
- Clouet Des Pesruches
- Cloute
- Clovis
- Clozier
- Cléaud
- Clélia
- Clémence
- Cnocquaert
- Coadic
- Coatanlem
- Cobigo
- Cobti
- Coca
- Cocandeau
- Cocaud
- Cocault-duverger
- Cocca
- Cochereau
- Cocheril
- Cocheteux
- Cochois
- Cocito
- Cocozza
- Cocteau
- Cocude
- Codjia
- Codo
- Codognet
- Codomier
