Muhammad Hafeez Qureshi (Urdu: محمد حفيظ قريشى; ) (28 January 1930 – 11 August 2007), SI, HI, known as Hafeez Qureshi, was a Pakistani nuclear scientist and a mechanical engineer, known for his classified work at WGS at the Pakistan Atomic Energy Commission (PAEC). He was a director of PAEC's secretive divisions charged with testing nuclear weapons, he oversaw the work on weapon systems manufacturing and gained expertise on engineering applications of nuclear physics and applied mechanics. However, he is more noted for spearheading Pakistan's quest for nuclear capability.