Riaz Hussain was a Pakistani former three-star rank general who served as the eight Director General of the Inter-Services Intelligence from 1959 to 1966. He served as the first Governor of Balochistan from 1970 to 1971 in the military regime of President General Yahya Khan.
Riaz Hussain was born into a Kashmiri Muslim family.
Riaz was commissioned into the 8th Punjab Regiment of the British Indian Army on 21 December 1941.
Riaz Hussain died on 5 February 1972.