Lyon - Rhône-Alpes
- Choukri
- Choupaud
- Chouvy
- Chouzenoux
- Chouzet
- Chovin
- Chow
- Chowrimootoo
- Chraiti
- Chriaa
- Christel
- Christiansen
- Christoforou
- Christy
- Chriv
- Chronowski
- Chroudi
- Chrétien
- Chuitel
- Chum
- Chuppa
- Chénit
- Chéron
- Ciamporciero
- Ciavarella
- Cibard
- Ciccia
- Ciccotti
- Cierq
- Cigan
- Cilla
- Cimarelli
- Cimbaro
- Cimia
- Cimignani
- Cimonard
- Cindy
- Cinotti
- Cintas
- Cipolla
- Cironneau
- Cirpaci
- Ciryt
- Cissoko
- Cistel
- Citerin
- Cittone Barbieux
- Clairet
- Claitte
- Clamens
- Clanet
- Clape
- Clapeyron
- Clapisson
- Clar
- Claraz
- Claret de Fleurieu
- Claris
- Clarissou
- Clark
- Clarou
- Clarte
- Clary
- Claudine
- Claudon
- Claudy
- Claudé
- Clause
- Clausel
- Claustre
- Clauzade
- Clavaud
- Clave
- Clavelloux
- Claverie
- Claveyrolat
- Clavie
- Clay
- Clayton
- Clech
- Cledat
- Clemenceau
- Clemens
- Clemenson
- Clementi
- Clementin
- Cler
- Cleret
- Cleril
- Cleyet
- Clifford
- Clin
- Clipet
- Cloez
- Clogenson
- Cloix
- Clotis
- Clouzet
- Clutier
- Coatnoan