Paris - Île-de-France
- Coustet
- Coustou
- Coutal
- Coutelen
- Coutheillas
- Couthouis
- Coutinet
- Coutolleau
- Coutou
- Coutris
- Couzy
- Coué
- Covas
- Coviaux
- Covier
- Coy
- Coyac
- Coyle
- Coz
- Cozian
- Cracco
- Crampe
- Crampont
- Craplet
- Crapoulet
- Craunot
- Crausaz
- Creange
- Creantor
- Cremoux
- Crepet
- Cressant
- Cresseaux
- Creste
- Crestin
- Cretegny
- Cretel
- Cretenet
- Crette
- Creuse
- Creuzot
- Cristiani
- Cristofari
- Cristofoli
- Crocco
- Croguennec
- Croibier
- Croisier
- Croizier
- Crombecque
- Cronjager
- Crouau
- Cru
- Cruveiller
- Crèche
- Crépin
- Cubells
- Cuccia
- Cuello
- Cuiec
- Cuillier
- Cuinet
- Cuirassier
- Cuisiniez
- Cukrowicz
- Culafic
- Cullet
- Culos
- Cunanan
- Cupit
- Cureau
- Curier
- Curnier
- Curot
- Curty
- Curzi
- Cusey
- Cusse
- Cuvelette
- Cvetkovic
- Cygler
- Cyna
- Cynthia
- Cyrot
- Cyvoct
- Czajka
- Czapnik
- Czermak
- Czternasty
- César
- D Andigne
- D Anterroches
- D Huart
- D Ornano
- d'acremont
- d'amore
- d'anthenaise
- d'arche
- d'arcy
- d'auriol