Montpellier 34000 - Languedoc-Roussillon
- Cissoko
- Ciuraneta
- Civit
- Clapier
- Clara
- Claramunt
- Clasquin
- Clauss
- Clausse
- Clauzier
- Cleac'h
- Clech
- Clemencon
- Clemens
- Cleostrate
- Clesse
- Clochard
- Clochey
- Cloitre
- Clopes
- Cloppet
- Clozel
- Clutier
- Coat
- Cobigo
- Cobos
- Cocault
- Cochelin
- Cochennec
- Cochonneau
- Cocks
- Cocq
- Codderrens
- Coderch
- Codis
- Codognes
- Coget
- Cogoluegnes
- Cohadon
- Cohen Adad
- Cokelekli
- Colasse
- Coleno
- Coletta
- Colette
- Colinet
- Collado
- Collard
- Collart Dutilleul
- Collenot
- Collot
- Colnelle
- Colomban
- Colombani
- Colombe
- Colon
- Colson
- Coly
- Comara
- Combal
- Combari
- Combarnous
- Combemale
- Combette
- Combier
- Comelli
- Commagnac
- Commercon
- Communay
- Comolet
- Compans
- Comparetto
- Compper
- Comps
- Comptier
- Comtat
- Condevaux
- Condon
- Conduzorgues
- Connan
- Constantinides
- Contastin
- Contet
- Coppens
- Coquel
- Coquelet
- Coquet
- Coraboeuf
- Corbeau
- Corbel
- Corbellini
- Corben
- Corbet
- Corblin
- Corcoles
- Corfmat
- Cormerais
- Corne
- Cornee
- Cornelie
