Paris - Île-de-France
- Cirik
- Cirille
- Cirou
- Cirrincione
- Cisternas
- Cita
- Citroën
- Civardi
- Clamen
- Clamy
- Clancy
- Clare
- Clarenc
- Clarens
- Claret de Fleurieu
- Clatot
- Claudet
- Claudine
- Clausel
- Clausier
- Clauvel
- Clauzon
- Clavere
- Cleach
- Clec'h
- Clemencin
- Clementin
- Cleofe
- Cler
- Clerbout
- Clerempuy
- Clergeau
- Clergerie
- Clever
- Clichy
- Clicquot de Mentque
- Cliquet
- Clodomir
- Cloitre
- Clop
- Closier
- Cloux
- Clovis
- Clozel
- Cnce
- Cocatrix
- Cocaul
- Cochereau
- Cocteau
- Cocude
- Codjo
- Codreanu
- Coesnon
- Coetmeur
- Coeuru
- Coffinet
- Coffinier
- Cohadon
- Cohana
- Cohen Ganouna
- Cohen Jonathan
- Cohen Sabban
- Cohen Salmon
- Cohen Zardi
- Cointet
- Coirre
- Coisnon
- Colaco
- Colak
- Colardelle
- Colbeau Justin
- Coleno
- Colet
- Colibert
- Colic
- Colina
- Colineau
- Colinot
- Collado
- Collados
- Collay
- Colleau
- Colleter
- Colli
- Collinot
- Collobert
- Colmenero
- Colnat
- Colomar
- Colongo
- Colosimo
- Comas
- Combastet
- Combeaud
- Comert
- Comets
- Cometti
- Commaille
- Commaret
- Commenge