Lyon - Rhône-Alpes
- Campagna
- Campanati
- Campillo
- Campion
- Canale
- Candy
- Canino
- Cao
- Capdeville
- Capdeviole
- Capelier
- Capparos
- Capraro
- Cardelli
- Cardin
- Cardinali
- Carion
- Carla
- Carlesimo
- Carlini
- Carlino
- Carminati
- Caroline
- Carrasco
- Carrey
- Carrillon
- Carronnier
- Caruel
- Casaburi
- Casagrande
- Casasola
- Cassan
- Cassard
- Castagne
- Castan
- Castanier
- 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
