Paris - Île-de-France
- Cloquette
- Clorennec
- Clotagatide
- Clothilde
- Clotteau
- Clottes
- Clou
- Clouaire
- Clouet D Orval
- Clougher
- Clouseau
- Clouteau
- Cloutier
- Clouté
- Clow
- Clupot
- Cluseau
- Cluzelle
- Cléaud
- Clémenceau
- Clémençot
- Clénet
- Cléry
- Cmc
- Cnudde
- Coad
- Coadour
- Coakley
- Coant
- Coarer
- Coatalem
- Coatanlem
- Coatantiec
- Coatmeur
- Coatrieux
- Coatsaliou
- Cobanoglu
- Cobelli
- Coblentz
- Cobzaru
- Cocagnac
- Cocagne
- Cocaud
- Cocault
- Cocchi
- Coccia
- Cochain
- Cochaud
- Cocheril
- Cochery
- Cocheteux
- Cochi
- Cochinard
- Cochini
- Cochis
- Cochonneau
- Cochu
- Cocogne
- Cocoual
- Cocrelle
- Cocu
- Codagnone
- Codart
- Coder
- Codjia
- Coeffier
- Coelenbier
- Coelho Fernandes
- Coelho Quintino
- Coello
- Coenen
- Coensen
- Coent
- Coeslier
- Coest
- Coeur-joly
- Coeurdacier
- Coeurdevey
- Coffe
- Coffey
- Coffie
- Coffournic
- Cogan
- Cogat
- Cogedic
- Cogerino
- Cogez
- Coggio
- Coggiola
- Cogis
- Cognasson
- Cognault
- Cogneau
- Cogniet
- Cognon
- Cogo
- Cohen Allouche
- Cohen Coudar
- Cohen Seat
- Cohen Tannoudji