Paris - Île-de-France
- Cassagnabere
- Cassant
- Cassiere
- Cassim
- Cassimatis
- Cassiot
- Cassis
- Cassonnet
- Casta
- Castaings
- Castard
- Castela
- Castiglione
- Castillon Du Perron
- Casula
- Catapang
- Catroux
- Cattiaux
- Caubel
- Caubinot
- Caullet
- Caurette
- Caussat
- Cavagna
- Cavaillé
- Cavalcanti
- Cavallini
- Cavaroc
- Cavero
- Cavroy
- Cayau
- Cayot
- Cayzac
- Cazala
- Cazalaa
- Cazalas
- Cazalet
- Cazedepats
- Cazejust
- Ceaux
- Cebe
- Ceccato
- Cecconi
- Cecen
- Ceddaha
- Cedia
- Cedroni
- Cegarra
- Ceglia
- Cellard
- Celnik
- Celnikier
- Cenci
- Centeno
- Ceranton
- Cerneau
- Cerri
- Certa
- Cerveaux
- Cesbron Lavau
- Cessay
- Ceyrat
- Chaalal
- Chabalier
- Chabance
- Chabannais
- Chabasseur
- Chabauty
- Chabchoub
- Chabenat
- Chabene
- Chabernaud
- Chabord
- Chabut
- Chacornac
- Chadenier
- Chadwick
- Chaffaut
- Chaffin
- Chagnot
- Chagot
- Chague
- Chaguiboff
- Chahboun
- Chahboune
- Chahid
- Chahuneau
- Chailan
- Chaintreuil
- Chalaye
- Chaleard
- Chaleix
- Chalencon
- Chalghoumi
- Challan Belval
- Challancin
- Chalochet
- Chalot
- Chamakhi
- Chambenoit
