K. Rahman Khan (born 5 April 1939) is a chartered accountant turned politician from Karnataka and a member of the Indian National Congress. He is a Member of Rajya Sabha (Upper House of Indian Parliament) and was a Union Minister of Minority Affairs under UPA-2 regime. He also served as a Deputy Chairman of the Rajya Sabha from 2004 to 2012. Before holding the post of the Dy Chairman he was the Union Minister of State for Chemicals and Fertilizers under UPA-1 Govt.