Bayonne 64100 - Aquitaine
- Ariztegui
- Armentia
- Arnould
- Arozena
- Arpin
- Arrayago
- Arretz
- Arribehaute
- Arriol
- Arroyo
- Arsene
- Artano
- Arteon
- Artigas
- Artigouha
- Artiguebieille
- Ascarategui
- Aspirot
- Association
- Astier
- Astor
- Attaiech
- Attanayake
- Auber
- Aubertin
- Auby
- Aude
- Audouin
- Auffret
- Augello
- Auger
- Augusto
- Auriac
- Aussir
- Auzi
- Avduli
- Azais
- Azarete
- Azpeitia
- Babayeva
- Babovic
- Bacardats
- Baccaud
- Bachelet
- Bacou
- Bacque
- Badets
- Bahhodh
- Bahri
- Baiao
- Baillet
- Bakhtaoui
- Balavoine
- Ballesteros Escobar
- Bamas
- Baradat
- Barail
- Baratchégaray Peyras
- Barbara
- Bardotti
- Barets
- Barquissau
- Barraux
- Barreiros Soares
- Barromes
- Barros
- Barrère
- Barré
- Barthe Sadran
- Bartkowski
- Bascou
- Basque
- Basquin
- Basso
- Bastian
- Bastiat
- Bastida
- Batbedat
- Batton
- Battu
- Baty
- Baudin
- Baudrand
- Baudry
- Baye Gosse
- Bayet
- Bazan
- Bazela
- Bazillacq
- Bazin
- Beauchamp
- Beauchamps
- Beauchet
- Beaudeant
- Beaudon
- Beaumont
- Becamel
- Becat-mateu
- Bechon
- Becker