Clermont-Ferrand 63000 - Auvergne
- Caballero
- Cadiou
- Cai
- Caille
- Cailly
- Calmels
- Canal
- Canovas
- Cantournet
- Capel
- Cardot
- Carillo
- Carlier
- Carrias
- Carrier
- Carriere
- Cassard
- Castelao
- Catel
- Cauvin
- Cercy
- Cervera
- Ceyssat
- Chabory
- Chabosy
- Chabot
- Chadeyron
- Chaffraix
- Chahi
- Chaibi
- Chalmet
- Chamard
- Chambade
- Chambaron
- Champion
- Chancel
- Chandez
- Chandezon
- Chanseaume
- Chardonnet
- Charlat
- Charpentier
- Chassagnette
- Chassard
- Chatard
- Chaucheprat
- Chaud
- Chaume
- Chaumont
- Chaunier
- Chauny
- Chausse
- Chautard
- Chavarot
- Chazeau
- Chebil
- Chefdeville
- Cheikh
- Chelles
- Chelly
- Chen
- Cherifi
- Chesne
- Chevalerias
- Chevaleyre
- Chevrier
- Chouvel
- Claude
- Claudel
- Claustre
- Clouvel
- Cochet
- Cohadon
- Cohen
- Coiffier
- Colombier
- Combo
- Compte
- Conchon
- Connan
- Constancias
- Constans
- Contamine
- Conte
- Cordonnier
- Cornaire
- Cornu
- Costes
- Coulaudon
- Courbon
- Courmont
- Coutin
- Couty
- Cristina
- Crochet
- Crosnier
- Crouzeix
- Crozat
- Croze
- Crueize