Hresvelgr may refer to:
- The weapon from Final Fantasy XIII.
- The wyrm from Final Fantasy XIV.
- The summon from Bravely Default.
- The summon from Bravely Second: End Layer.
- The weapon from Final Fantasy Airborne Brigade.
- The ability from Final Fantasy Brave Exvius
Hræsvelgr (meaning "Corpse Swallower" in Old Norse, commonly anglicized as "Hraesvelgr") is a giant eagle in Norse mythology who causes strong winds from the flapping of his wings.