Bayonne 64100 - Aquitaine
- Bueno
- Buffeteau
- Buquet
- Bureau
- Burguet
- Burra
- Burucoa
- Butel
- Buteux
- Buttet
- Caballero
- Cabridens
- Cacareigt
- Cacault
- Caillabet
- Cailleba
- Caldas
- Calero
- Caliot
- Calmel
- Calmont
- Calvete
- Calzadilla
- Camberabero
- Campandegui
- Campet
- Campion
- Campos
- Cano
- Canovas
- Cantin
- Cany
- Capela
- Cappai
- Carballo
- Cardoso
- Cardot
- Carles
- Carlos
- Carneiro Ribeirinha
- Caroline
- Caron
- Carraro
- Carrera
- Carrey
- Carriquiry
- Caruso
- Casal
- Casalta
- 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