Abu Ja'far Muhammad ibn Ayyub-i Haseb-i Tabarit () was a Persian astronomer. All of his works are in Persian language and none of them are written in Arabic (though some of his works have Arabic titles). Not much is known about his life. His works are among the oldest scientific works in Persian language. He used many Persian equivalents for Arabic words. He was from Amol, Tabaristan. References People from Amol 10th-century Iranian astronomers Astronomers of the medieval Islamic world 990 deaths