Paris - Île-de-France
- Casini
- Casset
- Castany
- Caste
- Castell
- Castellanos
- Catarino
- Cateland
- Catella
- Cattaneo
- Caubel
- Caubet
- Cauchard
- Caujolle
- Caussanel
- Cavallari
- Cavard
- Cavarec
- Cavé
- Cayatte
- Cayssials
- Cayuela
- Cazaban
- Cazalet
- Cazanave
- Cella
- Cendrier
- Cerceau
- Cerri
- Cervesi
- Chaabi
- Chaabouni
- Chabat
- Chabolle
- Chabredier
- Chadefaux
- Chadelat
- Chader
- Chady
- Chalanset
- Chalard
- Chalbi
- Chalghoum
- Challet
- Challine
- Chalom
- Chalons
- Chalvon Demersay
- Chambaz
- Chambeau
- Chambolle
- Chambrin
- Chamignon
- Champain
- Champsaur
- Chance
- Chancerel
- Chancereul
- Chanteau
- Chantelot
- Chanteloup
- Chantepie
- Chantry
- Chanvillard
- Chaouali
- Chapard
- Chapot
- Charier
- Charkaoui
- Charlin
- Charretier
- Charritat
- Chassang
- Chassany
- Chastaing
- Chatal
- Chaton
- Chaubet
- Chaumard
- Chauvard
- Chauvat
- Chavannes
- Chavinier
- Chazalette
- Chazalon
- Chaze
- Chazel
- Chazelas
- Cheddadi
- Chedhomme
- Chedru
- Chellali
- Chenaf
- Chenel
- Chennouf
- Chenus
- Cherfa
- Chergou
- Cherrak
- Chevaillier