Lyon - Rhône-Alpes
- Castelain
- Castelbou
- Castellan
- Castellon
- Castiglia
- Castillon
- Castinel
- Castro Wu Tatum
- Casu
- Catanese
- Catania
- Catheline
- Catillon
- Cattant
- Catteau
- Cattoz
- Cauchi
- Cauchy
- Caudron
- Caulliez
- Cava
- Cavalié
- Cayol
- Cayuela
- Caze
- Cedat
- Celdran
- Celereau
- Cellerier
- Celot
- Cendre
- Cerdan
- Cerro
- Ceysson
- Chaabani
- Chaal
- Chabanat
- Chabannes
- Chabbert
- Chabi
- Chaboche
- Chabrillat
- Chaffi
- Chaffurin
- Chaigne
- Chaigneau
- Chaintreuil
- Chaintron
- Chakheb
- Chalain
- Chaland
- Chalaye
- Chaleat
- Challier
- Challon
- Challut
- Chalmandrier
- Chalot
- Chalumeau
- Chalvet
- Chalvin
- Chamakh
- Chamam
- Chambas
- Chambefort
- Chambre
- Chamousset
- Champ
- Champagnat
- Champalle
- Champeau
- Champeaux
- Champelovier
- Champeymond
- Champier
- Chanas
- Chaneac
- Chanfi
- Changarnier
- Chantelouve
- Chanussot
- Chaouki
- Chapaton
- Chapellier
- Chapelon
- Chapoutier
- Chappat
- Chaptal
- Charavay
- Charbin
- Charbonneaux
- Charbouillot
- Chardet
- Charentus
- Charlaix
- Charmetton
- Charni
- Charollais
- Charpe
- Charpenay
