Ata-Malik Juvayni (; 1226 - 5 March 1283) was a bureaucrat and historian from the Juvayni family who served under the Mongol Empire. He is known for composing the Tarikh-i Jahangushay ("History of the World Conqueror"), an important account on the history of Central Asia and the 13th-century Mongol invasion of Muslim world.