Nîmes 30000 - Languedoc-Roussillon
- Clapier
- Clarenc
- Clarin
- Clary
- Clauzier
- Clauzon
- Clemence
- Clemente
- Clenet
- Climent
- Clique
- Cloarec
- Clouvel
- Coadic
- Cobut
- Coelho de Souza
- Coeta
- Cognard
- Cognon
- Coiffard
- Colaiemma
- Colencon
- Colette
- Collart
- Collobert
- Collomb
- Collonge
- Collot
- Colomb de Daunant
- Colomba
- Colombani
- Colonna
- Colson
- Combeau
- Combel
- Combelonge
- Combredet
- Comino
- Commandre
- Commeinhes
- Comparetti
- Compas
- Conca
- Congost
- Coniliere
- Connan
- Constans
- Constantin
- Contini
- Contu
- Coppola
- Coppolino
- Coquelin
- Coquelle
- Coquenet
- Cor
- Corbrion
- Corde
- Cordero
- Cornefert
- Cornette
- Cornille
- Cornilliere
- Cornillot
- Cornut
- Corral
- Corrao
- Correa
- Corsi
- Cosovic
- Cosson
- Costantini
- Cot
- Cottard
- Cottet
- Cottin
- Coudene
- Couder
- Coudert
- Coudeur
- Coudron
- Cougouluegne
- Couillard
- Coumel
- Couppey
- Courant
- Courbis
- Courtes
- Courtiel
- Coustes
- Coutarel
- Coutaud
- Coute
- Couture
- Couvert
- Couvreur
- Cravero
- Cremona
- Crescione
- Crespin
