Wazir Ali Khan was the fourth Nawab wazir of Oudh from 21 September 1797 to 21 January 1798 and the adopted son of Asaf-Ud-Daulah.

The Nawab of Awadh or the Nawab of Oudh was the title of the rulers who governed the state of Awadh in north India during the 18th and 19th centuries. The Nawabs of Awadh belonged to an Iranian dynasty of Sayyid origin from Nishapur, Iran. In 1724, Nawab Sa'adat Khan established the Oudh State with their capital in Faizabad and Lucknow.