Lyon - Rhône-Alpes
- Cleyet-marrel
- Clouvel
- Clouzet
- Cnudde
- Coban
- Cocozza
- Cohendet
- Coiro
- Cok
- Colanero
- Colange
- Colard
- Colavita
- Colinet
- Collard Evain
- Colle
- Colleville
- Colliard
- Colliat
- Collombon
- Colombin
- Colone
- Coma
- Combaz
- Combo
- Come
- Commandeur
- Commaret
- Comoy
- Compain
- Comparat
- Conche
- Confavreux
- Constance
- Contardo
- Copy
- Coquaz
- Corallo
- Corda
- Cordani
- Cordeiro
- Corinne
- Cornic
- Cornillon
- Coron
- Corond
- Coronel
- Corpet
- Cortet
- Cossalter
- Costache
- Costechareire
- Costet
- Costilles
- Cottel
- Cottinet
- Cotty
- Couder
- Coudry
- Coudurier
- Coulaud
- Coullet
- Courbier
- Courbiere
- Courchinoux
- Coureau
- Couret
- Courtine
- Courty
- Coussat
- Coustier
- Couston
- Cout
- Coutiaux
- Coutier
- Coutin
- Couvert
- Covaciu
- Coze
- Crabos
- Crassard
- Creach
- Crenn
- Cressot
- Crevat
- Creveaux
- Crost
- Crozat
- Crucho-mota
- Cubaud
- Cubells
- Cudennec
- Cuenot
- Cuisinier
- Cullieyrier
- Cunha
- Curbet
- Cure
- Cureau
- Curial
