Roy Harris Jenkins, Baron Jenkins of Hillhead, OM, PC (11 November 1920 – 5 January 2003) was a British politician who served as President of the European Commission from 1977 to 1981. At various times a Member of Parliament (MP) for the Labour Party, Social Democratic Party (SDP) and the Liberal Democrats, he was Chancellor of the Exchequer and Home Secretary under the Wilson and Callaghan Governments.