Yesun Temur (Есөнтөмөр; Chinese: 也孙帖木儿) was a Tengric khan (r. 1337–1339)[1] of Chagatai Khanate.
Their father was prince Ebugen who was the son of Duwa, the Chagatai Khan.
Yesun Temur's name literally means "Nine Iron" in the Mongolian language.
In order to take power, Yesun Temur is said to have poisoned (murdered) his brother in 1337.
He regretted his action and blamed his mother for Changshi's death.