Parvez Butt (or Pervez Butt) (born 4 October 1942) is a Pakistani nuclear engineer and the former chairman of the Pakistan Atomic Energy Commission (PAEC) from 2001 to 2006.
A nuclear engineer by profession, Parvez Butt played an important role in the development of the Pakistan's nuclear power and weapons program.
As chairman of PAEC, Parvez Butt helped establishing the particle accelerators, nuclear power plants, and started the research program to the field of Nuclear medicines.
Parvez Butt is currently serving as an assistant professor of nuclear engineering at the Pakistan Institute of Engineering and Applied Sciences, and also serving as a "Science and Technology" member at the Planning Commission of Pakistan.