Dialga (disambiguation)


 * A character in The Rise of Darkrai, Giratina and the Sky Warrior, and Arceus and the Jewel of Life: Dialga (movie)
 * A Pokémon in Pokémon Mystery Dungeon: Explorers of Time, Darkness and Sky: Primal Dialga
 * A group of cards in the : Dialga (TCG)