Paris - Île-de-France
- Ciezar
- Cima
- Cioffi
- Ciret
- Ciric
- Cittanova
- Clabaut
- Clairefond
- Clarin
- Claudin
- Claudio
- Claudot
- Clause
- Claustrat
- Clauzade
- Clauzel
- Claver
- Cledat
- Clementine
- Clenet
- Cleuet
- Clevenot
- Clisson
- Closson
- Clotail
- Clotaire
- Clouard
- Clouet Des Pesruches
- Clout
- Clouzeau
- Coates
- Coatleven
- Cochez
- Cocude
- Codina
- Codognet
- Coeur
- Coeuret
- Coffinet
- Coget
- Cognat
- Cohen-tanugi
- Coicadan
- Cointement
- Cojocaru
- Colcanap
- Coles
- Coletti
- Colignon
- Collenot
- Collery
- Colot
- Colrat
- Combarel
- Combaz
- Combemorel
- Compaore
- Compper
- Connolly
- Constanty
- Contat Desfontaines
- Convers
- Coquel
- Coquereau
- Coquio
- Coraboeuf
- Corazza
- Corde
- Cordelle
- Corneau
- Cornee
- Cornevin
- Corniere
- Cornuel
- Cornuot
- Corral
- Corrin
- Corti
- Cosnefroy
- Cosserat
- Costanza
- Costi
- Costiou
- Cotelle
- Coti
- Cottinet
- Couasnon
- Coubes
- Coucaud
- Couchet
- Coudurier
- Couedel
- Couffin
- Coullet
- Coulondre
- Coupez
- Couppey
- Couque
- Couralet
- Courbiere