Paris - Île-de-France
- Cillard
- Cimen
- Cimon
- Cingolani
- Cini
- Ciornei
- Cippone
- Cipriano
- Ciraolo
- Cirotteau
- Cirrincione
- Cisternas
- Cita
- Ciup
- Civardi
- Clairon
- Clairotte
- Clamen
- Clamy
- Clancy
- Clare
- Clarenc
- Clarens
- Claret de Fleurieu
- Clarge
- Clatot
- Claudeon
- Clausel
- Claustrat
- Clauvel
- Clavery
- Cleach
- Clec'h
- Clementin
- Cler
- Clergeau
- Clergerie
- Clet
- Clicquot de Mentque
- Clio
- Cliquet
- Clodomir
- Closier
- Clough
- Clozel
- Cnce
- Cobert
- Cobo
- Coca
- Cocatrix
- Cocaul
- Cochereau
- Cochez
- Cocteau
- Codjo
- Codognet
- Codomier
- Coesnon
- Coeuru
- Coffinier
- Cogrel
- Cohana
- Cohen Ganouna
- Cohen Jonathan
- Cohen Sabban
- Cohen Zardi
- Cohin
- Cointet
- Coirre
- Coisnon
- Cola
- Colak
- Colbeau Justin
- Colder
- Coles
- Colet
- Colibert
- Colic
- Colina
- Colla
- Collado
- Colladon
- Collados
- Collart
- Collay
- Colleau
- Colleville
- Colli
- Collinot
- Collobert
- Colmenero
- Colnat
- Colomar
- Colon
- Colongo
- Colonne
- Colosimo
- Comas
- Comba
- Combastet