Clermont-Ferrand 63000 - Auvergne
- Cabelguen
- Caillaut
- Caldart
- Caldas
- Caldeira
- Callon
- Calmier
- Calvairac
- Camia
- Camilleri
- Campeaux
- Campoy
- Cannito
- Cantagrel
- Cantaloube
- Canton
- Cantot
- Cantournet
- Canu
- Cao
- Capelle
- Capet
- Capone
- Cappeli
- Cappy
- Caramiaux
- Carballeda
- Cardona
- Cargnelutti
- Carillo
- Carles
- Carnal
- Carraro
- Carrasco
- Carrer
- Carret
- Carretero
- Carreto
- Carroue
- Carrouee
- Carroy
- Carteau
- Carvalho Fernandes
- Casanova
- Casile
- Cassagne
- Cassagnes
- Casseville
- Cassiere
- Cassin
- Castell
- Catalan
- Catarino
- Cathala
- Catherine
- Catinaud
- Caule
- Caumel
- Cautier
- Cavailles
- Cavaleiro Brugiere
- Cavalheiro Loureiro
- Cavanat
- Cavard
- Cave
- Cayrel
- Cazaux
- Cebeillac
- Cecchet
- Cekic
- Celier
- Cerqueira
- Cerqueira Campos
- Cesar
- Ceysson
- Ceyte
- Chabanis
- Chabanne
- Chabard
- Chabbert
- Chabidon
- Chabin
- Chabosson
- Chabrand
- Chabrot
- Chacon
- Chacornac
- Chadebec
- Chadefaux
- Chadelaud
- Chades
- Chagniaud
- Chaibi
- Chaieb
- Chaillon
- Chaillou
- Chakhguereev
- Chakour
- Chalabi
- Chalafre