General Muhammad Aziz Khan NI(M) HI(M) SBt TBt, best known as Aziz Khan, is a retired Pakistani four-star rank army general who served as the 11th Chairman of the Joint Chiefs of Staff Committee, appointed in October 2001 until his retirement in 2005.

The Chairman Joint Chiefs of Staff Committee (CJCSC) is, in principle, the highest-ranking and senior most uniformed military officer, typically at four-star rank, in the Pakistan Armed Forces who serves as a Principal Staff Officer and a chief military adviser to the civilian government led by elected Prime minister of Pakistan and his/her National Security Council. The role of advisement is also extended to the elected members in the bicameral Parliament and the Ministry of Defence. The Chairman leads the meetings and coordinates the combined efforts of the Joint Chiefs of Staff Committee (JCSC), comprising the Chairman, the Chief of the Army Staff and Chief of the Air Staff and the Chief of the Naval Staff, Commandant of Marines, DG Coast Guards and Strategic Plans Division, and commanders of the service branches in the Civil Armed Forces and the National Guard.