Saadat Ali Khan (b. c. 1680 – d. 19 March 1739) is the Subahdar Nawab of Awadh from 26 January 1722 to 1739, and the son of Muhammad Nasi.

At the age of 25, he accompanied his father Muhammad Nasir and joind the final campaign of the Mughal Emperor Aurangzeb against the Maratha in the Deccan, where the Mughal Emperor honorably awards him the title Khan Bahadur for his steadfast services.