Paris - Île-de-France
- Clairicia
- Clamen
- Clapier
- Clappier
- Claudepierre
- Claudet
- Clausen
- Clauzade
- Clauzon
- Clavere
- Clavero
- Clenet
- Clerbout
- Clergeot
- Clero
- Cleuet
- Clevenot
- Clichy
- Clolus
- Clos
- Clouet Des Pesruches
- Cloux
- Clovis
- Clozier
- Clédat
- Co Invest Sas
- Coates
- Cobert
- Coeffe
- Coezy
- Coffinet
- Coget
- Cognat
- Cogne
- Cohana
- Cohen Arazi
- Cohen Salmon
- Cohen Tanugi
- Cohen-tanugi
- Cointement
- Cointet
- Cojean
- Cojocaru
- Colardelle
- Colcanap
- Colecchia
- Colic
- Colignon
- Colladant
- Collart
- Colleau
- Collenot
- Collery
- Colletta
- Colli
- Collion
- Collomp
- Colly
- Colnot
- Coloma
- Colombi
- Colotte
- Colrat
- Com
- Combarel
- Comets
- Cometti
- Comin
- Communier
- Comolet
- Comparat
- Comperat
- Congiu
- Connault
- Connolly
- Console
- Consoli
- Constanty
- Cont
- Contat Desfontaines
- Conter
- Contesso
- Coornaert
- Coquel
- Coquereau
- Coquerelle
- Coqueret
- Coraboeuf
- Corbe
- Cordeau
- Cordel
- Cordoliani
- Cori
- Coric
- Corneau
- Cornevin
- Cornillet
- Cornuat
- Cornuault
- Cornudet