Clermont-Ferrand 63000 - Auvergne
- Caldeira
- Calmier
- Calonne
- Calvairac
- Calvo
- Campoy
- Canard
- Cannito
- Cantot
- Cantuel
- Canu
- Cao
- Capelle
- Capet
- Capone
- Caquineau
- Cardinale
- Cardon
- Cardoso Rombo
- Cardot
- Cargnelutti
- Carle
- Carneiro
- Carretero
- Carreto
- Carrion
- Carrouee
- Carroy
- Cartailler
- Cartalade
- Cartayrade
- Caruana
- Carvalhal
- Carvalho Fernandes
- Caseiro
- Casile
- Cassan
- Casse
- Cassiere
- Cassin
- Castan
- Castel
- Castelao
- Castell
- Casula
- Catel
- Catherine
- Caumel
- Cautier
- Cauwet
- Cayrel
- Cayrol
- Cazaux
- Cebeillac
- Celen
- Celier
- Celles
- Cenan
- Cernik
- Cerqueira
- Ceyte
- Chabannes
- Chabard
- Chabasseur
- Chabbert
- Chabin
- Chabosy
- Chabrand
- Chacornac
- Chadefaux
- Chadelaud
- Chadeyras
- Chafik
- Chafouki
- Chaibi
- Chaigneau
- Chaillon
- Chaillou
- Chakour
- Chalamet
- Chalaphy
- Chalaron
- Chalchat
- Chaleron
- Challet
- Chalmet
- Chalvignac
- Chamalet
- Chambade
- Chambas
- Chambert
- Chambonniere
- Champclos
- Champeau
- Champredonde
- Champrobert
- Champroux
- Chan
- Chanaud
- Channeboux
