Lyon - Rhône-Alpes
- Christ
- Christelle
- Christine
- Christmann
- Chriv
- Chrétien
- Chuard
- Ciampi
- Cica
- Cid
- Cimetière
- Cini
- Cioffi
- Cipriani
- Cissokho
- Cisternino
- Claisse
- Clanet
- Clape
- Clara
- Claret de Fleurieu
- Clarke
- Clarou
- Claudin
- Claus
- Clemens
- Clemenson
- Clementelli
- Clert
- Clet
- Cleyet-marrel
- Clocher
- Clouvel
- Clouzet
- Cnudde
- Cocozza
- Coelho
- Cohade
- Cohen Tanugi
- Coiro
- Colange
- Colard
- Colavita
- Colcombet
- Colinet
- Colleville
- Colliard
- Colliat
- Collombon
- Colone
- Coma
- Combaropoulos
- Combaz
- Combo
- Commandeur
- Commaret
- Communal
- Comoy
- Compain
- Compan
- Comparat
- Confavreux
- Constance
- Contard
- Contardo
- Contreras
- Convers
- Copy
- Coquaz
- Corallo
- Corazzini
- Corbineau
- Cordani
- Cordeiro
- Cordelle
- Corgier
- Cornic
- Cornudet
- Coron
- Corond
- Coronel
- Corpet
- Corsini
- Cortey
- Cossalter
- Costache
- Costet
- Costilles
- Cottel
- Cottier
- Cottinet
- Cotty
- Couder
- Coudeyras
- Coudry
- Coullet
- Courbier
- Courbiere
- Courchinoux
- Couret
