Bayonne 64100 - Aquitaine
- Casanova
- Casaux
- Cassaing
- Cassan
- Cassez
- Cassou
- Castanet
- Castet
- Catherine
- Cauchez
- Caumont
- Cazalets
- Cazamayou
- Cazaunau
- Cazcarra
- Cazeaux
- Cazenave Dayraut
- Cazet
- Cebedio
- Ceccaldi
- Celaya
- Celhay
- Cellan
- Cerdan
- Cere
- Chabassier
- Chabat
- Chabbert
- Chabib
- Chabrol
- Chamayou
- Chambin
- Chambres
- Champarnaud
- Chanoni
- Chapelie Marty
- Charlot
- Charonnat
- Charpentier
- Charron
- Chartrain
- Chaubet
- Chazette
- Cherief
- Cherifi
- Chetouane
- Chikar
- Chinestra
- Chollet
- Chopin
- Chraga
- Christen
- Chuon
- Cillero
- Claire
- Claisse
- Clarens
- Claveres
- Claverotte
- Clerc
- Clouzet
- Cluzeaud
- Codega
- Codreanu
- Coelho
- Coelle
- Cohen
- Colas
- Colette
- Colle
- Collignon
- Collu
- Combe
- Comble
- Commarieu
- Compagnon
- Conan
- Congues
- Conrie
- Conrié
- Copentipy
- Cordier
- Cordoba
- Cornejo
- Cornet
- Correge
- Cotin
- Cotraud
- Cottez
- Cottura
- Coudrin
- Coulibaly
- Coulon
- Coumont
- Courcol
- Cournault
- Courneau
- Courregelongue
- Coutenso
- Couto