Chaudhary Muhammad Abdul Rehman Khan was the Rana of Rahon Jagir and Member of the Punjab Legislative Assembly. (3 January 1927, to 26 July 1930) (24 October 1930, to 10 November 1936) (5 April 1937, to 19 March 1945). He was the father of Nisar Fatima Zahra and maternal grandfather of the current Interior Minister of Pakistan Ahsan Iqbal.
He was the son of Chaudhary Ameer Muhammad Khan, and was born in Rahon Jullunder. He completed his primary education from Jullunder. He became the Rana of Rahon and MLA after the death of Chaudhary Jang Baz Khan who was his elder brother. He was elected a member of the Punjab Legislative Assembly from Jullunder for the first time in 1927, and remained a member of that assembly having won successive elections till 19 March 1945.
After independence in 1947, he moved to Pakistan and settled initially in Minchanabad, Bahawal Nagar, and subsequently in Rehmanabad Khanqa Dogran.
He had two sons and two daughters. His eldest son Rana Fazal-ur-Rehman Mahmood was active in Pakistani politics and served as President Pakistan Muslim League, Punjab chapter, and Central Secretary General of Pakistan Muslim League, respectively. Chaudhry Abdul Rehman Khan was the father of Nisar Fatima Zahra and maternal grandfather of the former Interior Minister of Pakistan Ahsan Iqbal.