Aatxe
Abhartach
Achelous
Acheroi
Acheron
Achilles
Achlis
Acis
Acrisius
Actaeon
Adar Llwch Gwin
Adgilis Deda
Adhene
Adonis
Aeaea
Aegeus
Aegipan
Aegir
Aegis
Aegisthus
Aeneas
Aengus Óg
Aeolus
Aer
Aerico
Æsir
Aeternae
Aether
Afanc
Agamemnon
Aganippe
Agathodaemon
Agenor
Aglaeca
Ahto
Aigikampoi
Ailill Aulom
Ailill mac Máta
Aino
Airmed
Aita and Phersipnai
Aitvaras
Ajatar
Ajax the Great (Telamonian Ajax)
Ajdovska Deklica
Akerbeltz
Akka
Akko
Ala
Alatyr Stone (Alatyr)
Alcestis
Alcyone and Ceyx
Ale of Goibniu
Ali
Alicorn
Alke
Alkonost
Allocamelus
Aloja
Alp