Budashiri or Buddhashiri was Empress of China and Khatun of Mongols as the wife of Jayaatu Khan Tugh Temür. She acted as an interime regent and was the prominent figure of the Yuan dynasty between 1332 and 1339; she was interim regent after the death of her husband and the election of his successor in 1332-1333, and then regent during the minority of his successor in 1333-1339.

Jayaatu Khan, born Tugh Temür, also known by his temple name as the Emperor Wenzong of Yuan, was an emperor of the Yuan dynasty of China. Apart from Emperor of China, he is regarded as the 12th Khagan of the Mongol Empire, although it was only nominal due to the division of the empire.