Ali Nasir Muhammad Husani (Arabic: علي ناصر محمد الحسني‎) (born 1939) was twice president of South Yemen and once the Prime Minister. He served as the Prime Minister from 2 August 1971 until 14 February 1985 and as Chairman of the Presidential Council from 26 June 1978 - 27 December 1978. In April 1980, South Yemeni president Abdul Fattah Ismail resigned and went into exile.