Paris - Île-de-France
- Comolet
- Comperat
- Condamin
- Conilh
- Connault
- Conrath
- Console
- Consolin
- Constanty
- Cont
- Contat Desfontaines
- Cools
- Coornaert
- Coquereau
- Coqueret
- Cor
- Corbe
- Corbett
- Corbi
- Corcia
- Corde
- Cordeau
- Cordel
- Cordella
- Cordelle
- Cordoliani
- Corfmat
- Cori
- Coric
- Corneau
- Cornevin
- Corniere
- Cornily
- Cornuot
- Corral
- Correas
- Corret
- Corsino
- Cortese
- Corveller
- Corvi
- Cosialls
- Coslin
- Cosnard
- Cosqueric
- Cossa
- Costamagna
- Costerousse
- Costi
- Costiou
- Cotard
- Cotellon
- Coti
- Coty
- Couasnon
- Coubard
- Coubes
- Couchet
- Coucke
- Couder
- Coudrin
- Coudry
- Coudurier
- Coulom
- Coumau
- Counil
- Coupeau
- Couppe
- Couppey
- Couque
- Courbot
- Courcelles
- Courchinoux
- Courel
- Cournil
- Courpied
- Coursaget
- Courtay
- Courtecuisse
- Cousi
- Coussieu
- Coussot
- Coustaud
- Cousteix
- Couston
- Cousy
- Coutellier
- Coutheillas
- Coutier
- Couvez
- Couvignou
- Couvrat
- Couzineau
- Coyne
- Cozanet
- Cozma
- Crampont
- Craunot
- Credoz
- Cremel