Sardar Ghulam Muhammad Khan Mahar (Urdu: سردار غلام محمد خان مهر) was chief of the Mahar tribe, and a prominent politician and philanthropist of the Sukkur District.

He was Minister for Agriculture when General Muhammad Zia-ul-Haq was the Martial Law Administrator.

He won general elections of March 1985 as an independent candidate,[2] and remained Minister of State for Health from 22 December 1986 to 29 May 1988 in Prime Minister of Pakistan Muhammad Khan Junejo's cabinet.

[3] In 1988, post Gen Muhammad Zia-ul-Haq era elections, he was defeated by Pakistan Peoples Party (PPP's) candidate Mian Abdul Haq Alias Mian Mitho.

He became a member of National Assembly once again in October 1993 by contesting general elections from NA-152 as the candidate of Pakistan Muslim League (N)[4] and afterward he died in April 1995.