Lordaeron can either refer to:
- The subcontinent consisting of the northern human Eastern Kingdoms.
- The Kingdom of Lordaeron, traditionally ruled by the House of Menethil but now contested among many factions.
- The Lordaeron Army, the standing army of the Kingdom or Lordaeron.
- Lordaeron City, the capital city of the Kingdom of Lordaeron located in the Tirisfal Glades.
- The Alliance of Lordaeron, the union between the seven human kingdoms, the dwarves of Ironforge and the Aerie Peaks, the gnomes of Gnomeregan and the high elves of Quel'thalas formed to fight the Orcish Horde following the First War.
- The Kingdom of Lordaeron Restored, remnants of the old Kingdom ruled by the House of Albrecht from the region of Blackmarsh.
- The Lordaeron Army Restored, the standing army of the Kingdom of Lordaeron restored under Madelynne I.