Lyon - Rhône-Alpes
- Clauss
- Clauzade
- Clauzel
- Clavaud
- Clechet
- Clemens
- Clemenson
- Clementelli
- Clert
- Clet
- Cloppas
- Clouvel
- Clouzet
- Cluzeau
- Coban
- Cochin
- Cocula
- Coffin
- Cohendet
- Coiro
- Cok
- Colanero
- Colard
- Colavita
- Colcombet
- Coline
- Colinet
- Collard Evain
- Colle
- Colliard
- Collineau
- Collombon
- Colombin
- Colomer
- Colon
- Coly
- Combaluzier
- Combo
- Come
- Comet
- Comi
- Commandeur
- Commaret
- Commarmond
- Communal
- Comoy
- Compain
- Compigne
- Conche
- Conchin
- Connan
- Conseil
- Contardo
- Contino
- Coppere
- Copy
- Coquelet
- Coqueron
- Corallo
- Corda
- Cordeiro
- Cordero
- Cordy
- Corinne
- Cornuel
- Coronado
- Corond
- Corpet
- Corriol
- Corsat
- Cortembert
- Cortese
- Cortet
- Corvo
- Cossalter
- Costache
- Costechareyre
- Cotelle
- Cottel
- Couder
- Coudry
- Couedel
- Coulaud
- Coullet
- Coupard
- Coupier
- Courant
- Courbier
- Courbiere
- Courbin
- Coureau
- Courquin
- Courtieu
- Courtine
- Coussat
- Cousson
- Coustaud
- Couston
- Cout
- Coutarel