Lyon - Rhône-Alpes
- 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
- Coavoux
- Cobani
- Cockcroft
- Cocula
- Codegnat
- Codina
- Codreanu
- Codron
- Coggio
- Cogniat
- Cohard
- Cohen Tanugi
- Cohen-solal
- Cohet
- Coiffard
- Coillard
- Coindard
- Coinon
- Coissac
- Coiton
- Cola
- Colaneri
- Colantonio
- Colas Des Francs
- Colette
- Colibri
- Colivet
- Collenot
- Colletta
- Colleville
- Collombat
- Collombel
- Collongues
- Collongy
- Collotte