Lyon - Rhône-Alpes
- Cimignani
- Ciminato
- Cimonard
- Cindy
- Cini
- Cinotti
- Cintas
- Ciolfi
- Cipriano
- Ciraciyan
- Cironneau
- Cirpaci
- Ciryt
- Cisternino
- Cittone Barbieux
- Clairicia
- Clanet
- Clapeyron
- Clar
- Claraz
- Claret de Fleurieu
- Claris
- Clarissou
- Clark
- Clarou
- Clarte
- Clary
- Claudine
- Claudon
- Claudy
- Claudé
- Clause
- Clausel
- Clauss
- Claustre
- Claverie
- Claveyrolat
- Clavie
- Clavié
- Clay
- Clayton
- Cledat
- Clem
- Clemaron
- Clemence
- Clemenceau
- Clemens
- Clemenson
- Cleret
- Clerjon
- Clermidy
- Cleyet
- Clidassou
- Clifford
- Cloez
- Clogenson
- Cloix
- Clopin
- Closse
- Clotail
- Clotis
- Clouzet
- Clovis
- Clutier
- Coatmeur
- Coavoux
- Coban
- Cochin
- Cockcroft
- Cocula
- Codegnat
- Codina
- Codron
- Coeurjoly
- Coggio
- Cogniat
- Cohard
- Cohen Tanugi
- Cohen-solal
- Cohendy
- Cohet
- Coi
- Coiffier
- Coillard
- Coindard
- Coinon
- Coissac
- Coissy
- Coiton
- Cok
- Colanero
- Colange
- Colantonio
- Colette
- Colibri
- Colignon
- Colineau
- Colivet
- Coll
- Colletta