Abu Sa'id Bahadur Khan (June 2, 1305 – December 1, 1335) (Persian, Arabic: ??? ???? ????? ??? ), also spelt Abusaid Bahador Khan, Abu Sa'id Behauder (Mongolian: ????? ??????? ???, Busayid Baghatur Khan, ?????? ?????? ????/Busaid baatar khaan, ['busæt 'ba?t?r xa??] in modern Mongolian), was the ninth ruler (c.
1316-1335) of the Ilkhanate, a division of the Mongol Empire that encompassed the present day countries of Iran, Azerbaijan, Georgia, and Armenia, as well as portions of Iraq, Turkey, Afghanistan, and Pakistan.