Lyon - Rhône-Alpes
- Chettouh
- Chevat
- Chevreau
- Chevret
- Chibani
- Chichignoud
- Chicot
- Chiesa
- Chihi
- Chikhaoui
- Chirossel
- Chlous
- Chobert
- Cholat
- Choplin
- Chorel
- Chorfi
- Chorier
- Choudar
- Chouvier
- Chovet
- Chung
- Cianfarani
- Cibert
- Cigolotti
- Cimino
- Cioffi
- Cissé
- Claisse
- Claucigh
- Claudin
- Clauzier
- Cleyet-marrel
- Clozel
- Cnudde
- Coche
- Cocozza
- Cohade
- Collaudin
- Colliat
- Collonges
- Combaz
- Comparat
- Compte
- Confavreux
- Coniglio
- Conrad
- Constance
- Contard
- Contat
- Content
- Contet
- Contini
- Convers
- Coq
- Coquaz
- Cordani
- Cordelle
- Corgier
- Cormerais
- Cornic
- Cornillon
- Cornudet
- Cornuel
- Coron
- Coronel
- Corsi
- Cortey
- Costet
- Costilles
- Cotin
- Cottancin
- Cottier
- Cotty
- Couchoud
- Coudeyras
- Coudurier
- Coue
- Coulomb
- Courchinoux
- Courmont
- Courteix
- Courvoisier
- Coustier
- Couvreur
- Cozette
- Crabos
- Crespo
- Cret
- Creusy
- Croce
- Crétinon
- Cubaud
- Cucherat
- Cudennec
- Cugnet
- Cui
- Cuilleron
- Cuoq
- Curbet