Munir Ahmad Khan (; b. 20 May 1926 – 22 April 1999; NI HI), was a Pakistani nuclear engineer and a nuclear physicist, who served as the chairman of the Pakistan Atomic Energy Commission (PAEC) from 1972 to 1991. He is credited among the persons who are called as "father of the Pakistan's atomic bomb project", for their role in Pakistan's integrated atomic bomb project— the clandestine Cold war program. Khan was technical director of the programme to develop nuclear weapons, which lead to the Chagai-I nuclear testing in May 1998 in Balochistan.