Lyon - Rhône-Alpes
- 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
- Coutin
- Couve
- Couvert
- Crassard
- Creach
- Crenn
- Crespy
- Cressot
- Creuserand
- Crevat
- Croizat
- Crollard
- Crosnier
- Crost
- Crozat
- Crucho-mota
- Crumiere
- Cuaz
- Cubells
- Cudeiro
- Cuenin
- Cuenot
- Cugnet
- Cuisinier
- Cullieyrier
- Cunha
- Cureau
- Curvat
- Cusey
- Cussey
- Cuypers
- Cyrille
- Cyrot
- Côte
- D Herouville
- d'agostino
