Lyon - Rhône-Alpes
- Caldairou
- Caliskan
- Calleja
- Callias
- Camo
- Campoy
- Campus
- Canal
- Canale
- Canino
- Cannard
- Canon
- Cao
- Capaldi
- Capela
- Capraro
- Carbone
- Cardi
- Cardona
- Carillon
- Carli
- Carminati
- Carniel
- Caro
- Caroline
- Carrillo
- Caruel
- Casasola
- Casimir
- Cassagne
- Castaing
- Castellan
- Castello
- Castiglione
- Castinel
- Casu
- Catania
- Catheland
- Cathelin
- Cattant
- Catteau
- Cattet
- Cattoz
- Cau
- Cauchard
- Caudron
- Caugant
- Caumont
- Cava
- Cavalie
- Cavalier
- Cayla
- Cayol
- Cayrol
- Caze
- Cedat
- Cerdan
- Cerisier
- Chabanis
- Chabannes
- Chabaud
- Chabi
- Chabod
- Chabrillat
- Chadi
- Chaffard
- Chaigne
- Chakheb
- Chalal
- Chalamet
- Chalandon
- Chaleard
- Chalencon
- Chalier
- Challier
- Chaloin
- Chalot
- Chalumeau
- Chambat
- Chambaud
- Chambert
- Chamousset
- Champetier
- Chamussy
- Chandelier
- Chantegrel
- Chapaton
- Chapeau
- Chapoutier
- Charbon
- Chardonnet
- Chargros
- Charlery
- Charlon
- Charmasson
- Charollais
- Charon
- Charra
- Charrot
- Charroud