Carcassonne 11000 - Languedoc-Roussillon
- Casier
- Castan
- Castanon
- Castella
- Castells
- Castelnaud
- Castola
- Catuffe
- Cauchy
- Caussade
- Caussidery
- Cavaillé
- Cayla
- Cayrol
- Cazaban
- Cazalet
- Cebe
- Certary
- Chabane
- Chabauzy
- Chabot
- Chacon
- Chakir
- Chamand
- Chamlal
- Chane-kam-ho
- Chaoui
- Chapdelaine
- Chapelet
- Chapert
- Chapus
- Charbonnier
- Chareyre
- Charry
- Chartrain
- Chater
- Chaume
- Chauvet
- Chen Wei
- Cherafa
- Cherifi
- Cheron
- Chesa
- Chevallier
- Chihab
- Chmielowiec
- Chollon
- Chopin
- Choquet
- Choukri
- Chourreau
- Chrestia
- Christophe
- Chvets
- Ciardullo
- Cid
- Ciprian
- Cisse
- Claebots
- Clair
- Claudel
- Clauzel
- Clave
- Claverie
- Cleret
- Clermont
- Clot
- Codis
- Codo
- Cohen
- Collavizza
- Collet
- Collins
- Colombero
- Colombier
- Combres
- Commelera
- Commets
- Commun
- Comte
- Condon
- Copin
- Coquel
- Coquillard
- Corbiere
- Cordier
- Corteggiani
- Corvisier
- Cossard
- Costis
- Cotez
- Coudin
- Coulas
- Coulom
- Coulon
- Courtes
- Coussin
- Couturier
- Crego
- Crochet