Aang
Aaron
Abaddon
Abbott
Abel
Aberdeen
Abner
Abraxas
Absolem
Ace
Achille
Achilles
Adam
Adewale
Adler
Adonis
Adrian
Aenys
Aerys
Aguma
Ahmed
Ahmet
Aki
Alabaster
Aladdin
Alaric
Albany
Albert
Alchemy
Alec
Alex
Alexander
Alexei/Aleksei
Alfie
Alfred
Ali
Alistair/Alastair
Allen
Alois
Aloysius
Alphard
Alphonse
Alphonso
Alucard
Amadeus
Amaimon
Amancio
Amari
Ambrose
Ambrosius
Amir
Amos
Amun
Amycus
Anakin
Anatole
Anchor
Andrew
Andy
Aneurin
Angel
Angelus
Angus
Ansel
Anselm
Anson
Anthem
Anthony
Antioch
Anton
Antonio
Antony
Antwon
Anubis
Anubius
Anwar
Apollo
Appa
Aquario
Aquarius
Aquilo
Aragorn
Arai
Aramis
Arathorn
Arax
Arayoshi
Arbor
Archer
Archibald
Archie
Archimedes
Arcturus
Arden
Ares/Aries
Argus
Aristide
Aristides
Aristotle
Arkadi
Arlie/Arley
Arliss
Arlo
Armand
Armando
Armani
Armin
Armumahel
Arnold
Arthur
Arvin
Asa/Aza
Ash
Asher
Aslan
Asmodeus
Aspen
Asriel/Azriel/Azrael
Astaroth
Asura
Atlantic
Atlantis
Atlas
Atticus
Atty
August
Augustine
Augustus
Aurelius
Austin/Austen
Author
Avan
Avery
Axel/Axl
Aymeric
Ayo
Azar
Azazel
Aziraphale