Paris - Île-de-France
- Clavero
- Clavé
- Clay
- Clayeux
- Clayton
- Cleach
- Cledat
- Clemencon
- Clementin
- Clementine
- Clerte
- Clet
- Clicquot de Mentque
- Clifford
- Clio
- Cliquet
- Cloez
- Closson
- Clostre
- Coates
- Cocatrix
- Cocaul
- Cochon
- Cockenpot
- Cocq
- Cocquebert
- Codjo
- Coeur
- Coeuru
- Coget
- Cogrel
- Cohen Ganouna
- Cohen Skalli
- Cohen Tanugi
- Cohen Zardi
- Cohen-coudar
- Cohin
- Coiffet
- Coignac
- Coignet
- Coillard
- Coisy
- Colak
- Coleno
- Coletti
- Colic
- Colina
- Collart
- Collion
- Collombier
- Collomp
- Colmard
- Colnat
- Colnel
- Colnot
- Coloma
- Colomar
- Colon
- Colongo
- Comas
- Combalbert
- Combastet
- Combaz
- Combeaud
- Comert
- Comets
- Cometti
- Commaret
- Commeau
- Commissaire
- Commun
- Comolli
- Comtet
- Conge
- Congiu
- Constanty
- Cont
- Contal
- Contamin
- Contat Desfontaines
- Contencin
- Contino
- Convers
- Conway
- Coppa
- Coppel
- Coqueret
- Coquide
- Coquillas
- Coquio
- Cor
- Corbani
- Corbasson
- Corbe
- Corbelli
- Corbex
- Corbi
- Corde
- Cordeau
- Cordelier
