Ali Nasir Muhammad Husani (Arabic: علي ناصر محمد الحسني) (born 31 December 1940) is a Yemeni politician. He was the former leader of South Yemen. He was General Secretary of the Yemeni Socialist Party between 1980 and 1986. He was twice president of South Yemen and once the Prime Minister. He was the Prime Minister from 2 August 1971 until 14 February 1985.