Lyon - Rhône-Alpes
- Chiaramonte
- Chibani
- Chibret
- Chiche
- Chicot
- Chion
- Chirossel
- Chirouze
- Chlali
- Chlous
- Chmielewski
- Choby
- Chomat
- Chometton
- Chorein
- Choron
- Chossat
- Chougui
- Chouitah
- Chouvelon
- Chouvier
- Chouzy
- Chovet
- Christ
- Christelle
- Christiansen
- Christine
- Chriv
- Chrétien
- Chuard
- Ciampi
- Ciaravino
- Cica
- Cid
- Cini
- Cioffi
- Cipriani
- Cissokho
- Cisternino
- Claisse
- Clanet
- Clara
- Claret de Fleurieu
- Clarke
- Clarou
- Claudin
- Claus
- Clemens
- Clemenson
- Clementelli
- Clert
- Clet
- Cleyet-marrel
- Clouvel
- Clouzet
- Cnudde
- Coban
- Cocozza
- Coiro
- Colange
- Colard
- Colavita
- Colinet
- Collard Evain
- Colle
- Colleville
- Colliard
- Colliat
- Collombon
- Colone
- Coma
- Combaropoulos
- Combaz
- Combo
- Come
- Commandeur
- Commaret
- Communal
- Comoy
- Compain
- Comparat
- Conche
- Confavreux
- Constance
- Contardo
- Copy
- Coquaz
- Corallo
- Corda
- Cordani
- Cordeiro
- Cordelle
- Cornic
- Cornudet
- Coron
- Corond
- Coronel
- Corpet
- Cortet
- Cossalter
