Lyon - Rhône-Alpes
- Clechet
- Clemens
- Clemenson
- Clementelli
- Clermidy
- Clert
- Clet
- Clogenson
- Cloppas
- Clouvel
- Clouzet
- Cluzeau
- Coban
- Cochin
- Cocula
- Coffin
- Coggio
- Cohendet
- Coiro
- Coiron
- Cok
- Colanero
- Colard
- Colavita
- Colcombet
- Colinet
- Collard Evain
- Colle
- Colliard
- Collineau
- Collombon
- Colombin
- Colomer
- Colon
- Coma
- Combaluzier
- Combaz
- Combo
- Come
- Comi
- Commandeur
- Commaret
- Commarmond
- Communal
- Comoy
- Compain
- Conche
- Conchin
- Connan
- Constancias
- Contardo
- Contino
- Copy
- Coqueron
- Corallo
- Corda
- Cordeiro
- Cordero
- Corinne
- Cornic
- Cornille
- Cornuel
- Corond
- Corpet
- Corriol
- Corsat
- Corsi
- Cortembert
- Cortese
- Cortet
- Corvo
- Cossalter
- Costache
- Costechareire
- Costechareyre
- Cottel
- Cottinet
- Couder
- Coudry
- Coudurier
- Coulaud
- Coullet
- Coupier
- Courbier
- Courbiere
- Courbin
- Coureau
- Couret
- Courquin
- Courtieu
- Courtine
- Courty
- Coussat
- Cousson
- Coustaud
- Couston
- Cout
- Couteau
- Coutiaux
- Coutier
