General Khawaja Ziauddin Abbasi (Urdu: خواجہ ضیاء الدین عباسى), also known as Ziauddin Butt (Urdu: ضیاء الدین بٹ), is a retired four-star rank army general in the Pakistan Army, who served as the Chief of Army Staff (COAS), for few hours, until Chairman joint chiefs General Pervez Musharraf reasserted the command and control of the military despite his termination on 12 October 1999. Subjected to nearly two-year military investigations which found no part of his involved in Prime Minister Sharif's decision, Zia was retired from his military service "scouts penalty" in 2001.