Ali Mansur (also known as Mansur ul-Mulk 1886 – 8 December 1974) was a Prime Minister of Iran.
Born in Tehran, he served as Governor of Khorasan and Azarbaijan provinces, and was an ambassador to Italy, The Vatican, and Turkey.
He served twice as Prime Minister and six times as Cabinet Minister.His son, Hassan-Ali Mansur, served briefly as Prime Minister from 1964 to 1965.