Manzoor Ul Haq Siddiqi (Urdu:منطورالحق صدیقی; 12 April 1917 – 27 July 2004) was a Pakistani educationist, historian and an author. He served in Cadet College Hasan Abdal from 1954 until his retirement in 1980. He served as President Muslim League Rohtak during Pakistan movement in the 1940s. Founder of Pakistan, Mohammad Ali Jinnah, Quaid-Azam (Greatest Leader) visited Rawalpindi in 1945, only one time in his lifetime on the invitation of Prof. Manzoor ul Haq Siddiqi.Acknowledging his services during Pakistan Movement, he was recipient of gold medal by Punjab Govt.