Paris - Île-de-France
- Comets
- Comment
- Commere
- Congiu
- Connault
- Connelly
- Console
- Constanty
- Contat Desfontaines
- Conter
- Contesso
- Coolen
- Coppa
- Coquereau
- Coquerelle
- Coquille
- Coquio
- Cordahi
- Cordial
- Cordoliani
- Cori
- Coric
- Cormerais
- Corneau
- Cornillet
- Cornuault
- Cornuel
- Cornuot
- Corpechot
- Corrin
- Cortese
- Corvol
- Cosialls
- Cosich
- Cosqueric
- Cossin
- Costamagna
- Costanzo
- Costerousse
- Costi
- Costiou
- Cothenet
- Cotin
- Cotonnec
- Cottebrune
- Cottrel
- Coty
- Coubes
- Couchet
- Coudin
- Coudreau
- Couedel
- Couget
- Coulondre
- Coulot
- Coumau
- Coupel
- Coupet
- Coupez
- Coupin
- Couppe
- Couppey
- Courbe
- Courbot
- Courchinoux
- Courdavault
- Courel
- Cournarie
- Cournet
- Cournil
- Coursier
- Coursin
- Courte
- Courtemanche
- Courtheoux
- Courtiade
- Courtoux
- Coussieu
- Cousteix
- Cousy
- Coutarel
- Coute
- Coutelier
- Coutureau
- Couve
- Couve de Murville
- Couvrat
- Couvret
- Couzinier
- Couzon
- Coyard
- Cracco
- Crampon
- Creange
- Cregut
- Cremel
- Cremona
- Crepeau
- Crepet
- Crespi

