Agrican, fabled king of Tartary, pursuing Angelica, finally killed by Orlando,

Agrivain, one of Arthur's knights,

Ahriman, the Evil Spirit in the dual system of Zoroaster, See
Ormuzd

Ajax, son of Telamon, king of Salamis, and grandson of Aeacus, represented in the Iliad as second only to Achilles in bravery,

Alba, the river where King Arthur fought the Romans,

Alba Longa, city in Italy founded by son of Aeneas,

Alberich, dwarf guardian of Rhine gold treasure of the Nibelungs

Albracca, siege of,

Alcestis, wife of Admetus, offered hersell as sacrifice to spare her husband, but rescued by Hercules,

Alcides (Hercules),