Arthur Peter Mutharika (; born 18 July 1939) is a Malawian politician, educator and lawyer. He was President of Malawi from 31 May 2014 until he lost his re-election bid on June 28, 2020. He informally served as an adviser to his older brother, President Bingu wa Mutharika, on issues of foreign and domestic policy from the onset of his election campaign until the President's death on 5 April 2012.