Etrian Odyssey II: Heroes of Lagaard is a 2008 dungeon crawler role-playing video game by Atlus for the Nintendo DS. Heroes of Lagaard is the sequel to Etrian Odyssey.
A remake, titled Etrian Odyssey 2 Untold: The Fafnir Knight, was released for Nintendo 3DS in 2014. A remastered version of the original is set to release for Nintendo Switch and Windows in June 2023 under the title Etrian Odyssey II HD.