Clermont-Ferrand 63000 - Auvergne
- Cantournet
- Capel
- Carillo
- Carlier
- Carrias
- Carrier
- Carriere
- Cassard
- Castelao
- Catel
- Cauvin
- Cercy
- Cervera
- Ceyssat
- Chabosy
- Chadeyron
- Chaduc
- Chaffraix
- Chahi
- Challet
- Chalmet
- Chambade
- Chambaron
- Champion
- Champommier
- Chandez
- Chandezon
- Chanseaume
- Chapelon
- Chardonnet
- Charlat
- Charpentier
- Chassagnette
- Chassard
- Chatard
- Chaud
- Chaume
- Chaunier
- Chauny
- Chaurat
- Chausse
- Chautard
- Chavarot
- Chazeau
- Chebil
- Chefdeville
- Cheikh
- Chen
- Chesne
- Chevalerias
- Chevaleyre
- Chevrier
- Chouvel
- Claude
- Claudel
- Claustre
- Clouvel
- Cochet
- Cohadon
- Cohen
- Coiffier
- Collay
- Colly
- Colombier
- Compte
- Conchon
- Connan
- Constancias
- Constans
- Contamine
- Cordonnier
- Cornaire
- Cornu
- Costes
- Cougoul
- Courmont
- Court
- Courtet
- Courty
- Coutin
- Couty
- Cristina
- Crochet
- Crouzeix
- Crozat
- Croze
- Crueize
- Da Conceicao
- Dadir
- Dahak
- Dahmani
- Dambrun
- Damez
- Damiens
- Darles
- Darmant
- Das Neves
- Dauphant
- de Azevedo
- de Jesus