Aurillac 15000 - Auvergne
- Casagrande
- Casanova
- Cassin
- Castanet
- Castel
- Cavanier
- Cavaroc
- Cayrol
- Cellier
- Chabaud
- Chabeaud
- Chabot
- Chabrillac
- Chabut
- Chambaron
- Chamchoun
- Chamelot
- Champ
- Champagnat
- Champeil
- Champel
- Chapsal
- Chaput
- Charbonnier
- Charenton
- Charlaine
- Charles
- Charpentier
- Charrier
- Chastan
- Chastang
- Chastel
- Chateau
- Chaudron
- Chazoule
- Chazoulle
- Chevaleyre
- Chevallier
- Chevrier
- Chilotti
- Chiron
- Chouaki
- Cinqualbres
- Cipiere
- Civel Dausset
- Clamens
- Clarissou
- Clauzel
- Clement
- Cluzel
- Collos
- Colomb
- Combadière
- Combal
- Combard
- Comet
- Condomines
- Conor
- Conrié
- Constensou
- Corbise
- Correze
- Corvisier
- Costa
- Coudouel
- Couesnon
- Coulange
- Coulibaly
- Courbaize
- Coussain
- Coustaroux
- Coutel
- Crepin
- Croizet
- Cuminge
- Cunuder
- Cussac
- d'hondt
- Da Cunha
- Dabertrand
- Dajean
- Dalmayrac
- Dameron
- Damigon
- Dancie
- Danielian
- Danielle
- Dardenne
- Darges
- Darnis
- Daubigie
- Dayde
- Dayral
- de Conquand
- de Masi
- Debertrand
- Debonnet
- Decercle
- Decombat
- Dejean