Paris - Île-de-France
- Cippone
- Ciraolo
- Cirelli
- Cirot
- Cirrincione
- Cissako
- Cisternas
- Citadelle
- Cite
- City
- Ciulla
- Civiero
- Civil
- Cizeau
- Clabaux
- Clairice
- Clairotte
- Clancy
- Clapot
- Claraz
- Clarens
- Claris
- Clasen
- Clasquin
- Claud
- Claudeon
- Claudepierre
- Claudine
- Clausener
- Claussmann
- Claustrat
- Claustres
- Clautiaux
- Clauvel
- Clauzier
- Clauzon
- Claver
- Claveria
- Claviere
- Clavijo
- Clayer
- Cleach
- Clec'h
- Clede
- Clement Grandcourt
- Clementi
- Clements
- Clementz
- Clemessy
- Cleofe
- Cler
- Clerempuy
- Clergerie
- Clerice
- Clerima
- Clerin
- Clever
- Clevering
- Clier
- Clinquart
- Clipal
- Clipet
- Clocher
- Clochon
- Clodomir
- Cloquet
- Cloteaux
- Clotteau
- Clouard
- Clouet Des Pesruches
- Cloup
- Cloute
- Clovis
- Cléaud
- Clélia
- Clémence
- Cnocquaert
- Coadic
- Coatanlem
- Cobigo
- Cobti
- Coca
- Cocagne
- Cocaign
- Cocard
- Cocault-duverger
- Cocco
- Cochereau
- Cocheril
- Cochois
- Cochon
- Cocito
- Cocozza
- Cocude
- Coda
- Codant
- Codjia
- Codo
- Codognet
- Codomier
