Lyon - Rhône-Alpes
- Capozzi
- Cappai
- Capparos
- Caracci
- Caradec
- Caralp
- Caraud
- Cardelli
- Cardin
- Cardinale
- Cardinali
- Caret
- Carion
- Carlesimo
- Carlin
- Carlini
- Carminati
- Carpi
- Carra
- Carrau
- Carraz
- Carrera
- Carrey
- Carrillon
- Carrio
- Carrion
- Cartagena
- Cartet
- Cartillier
- Casagrande
- Cassagne
- Castagne
- Castaldo
- Castan
- Castelbou
- Castellano
- Castellon
- Castetbon
- Castets
- Castiglia
- Cataldi
- Catanese
- Catau
- Cathaud
- Catheline
- Cathrin
- Catinaud
- Catrin
- Cauchi
- Cauchy
- Caugant
- Cava
- Cavalié
- Cavallo
- Cayet
- Cayot
- Cayoun
- Caze
- Ceccaldi
- Cecchini
- Cecilia
- Celard
- Celia
- Celot
- Cendre
- Cerf
- Ceri
- Cerro
- Ceysson
- Ceyte
- Chaabani
- Chaabna
- Chabanat
- Chabannes
- Chabbat
- Chabbert
- Chaberty
- Chabin
- Chacon
- Chaffi
- Chaffurin
- Chafik
- Chagnon
- Chahed
- Chaillol
- Chailloux
- Chakheb
- Chakir
- Chalabi
- Chalard
- Chaleard
- Chaleat
- Chalencon
- Challier
- Chalopin
- Chalumeau
- Chalvet
- Chambefort
- Chambeyron
- Chambouleyron