Sultan Mahmud Khan (died 1508) is Khan of Tashkent (1487–1502 or 1503) and of the Moghuls of western Moghulistan (1487–1508).

He is the eldest son of Yunus Khan.

He was born in 1462 to Shah Begum, daughter of Badakhshan prince Lali (Shah Sultan Muhammad Badakhshi), who claimed his descent from Alexander the Great and had given one of his six daughters to Yunus Khan in marriage at his request.