Lyon - Rhône-Alpes
- Castetbon
- Castets
- Castiglia
- Castiglione
- Catau
- Cathaud
- Catheline
- Cathrin
- Catinaud
- Catrin
- Cattane
- Cattet
- Cauchi
- Caugant
- Cava
- Cavalié
- Cavallero
- Cavallo
- Cayet
- Cayot
- Cayoun
- Caze
- Ceccaldi
- Cecchini
- Cecilia
- Celot
- Cendre
- Cerf
- Ceri
- Cerro
- Cervero
- Ceyte
- Chaabani
- Chaabna
- Chabanat
- Chabannes
- Chabbat
- Chabbert
- Chaberty
- Chabi
- Chabin
- Chaffi
- Chaffurin
- Chahed
- Chaillol
- Chailloux
- Chakheb
- Chakir
- Chalard
- Chaleard
- Chaleat
- Chalencon
- Chalopin
- Chalumeau
- Chalvet
- Chambefort
- Chambeyron
- Chambouleyron
- Chambrion
- Chamo
- Champ
- Champagnat
- Champain
- Champavert
- Champeau
- Champelovier
- Champier
- Champmartin
- Champomier
- Chancel
- Chancre
- Chancy
- Chanet
- Chanfi
- Changarnier
- Chansavang
- Chantal
- Chanteclair
- Chantegrel
- Chantelouve
- Chanussot
- Chao
- Chapaton
- Chappat
- Chappuy
- Chaptal
- Charaoui
- Charasse
- Charavay
- Charbon
- Charbonneaux
- Charbonneyriat
- Chardet
- Chargui
- Charlaix
- Charly
- Charmant
- Charmetton
- Charmillon
- Charmont