Joseph Devlin (13 February 1871 – 18 January 1934) was an Irish journalist and influential nationalist politician. He was a Member of Parliament (MP) for the Irish Parliamentary Party in the House of Commons. Later Devlin was an MP and leader of the Nationalist Party in the Parliament of Northern Ireland. He was referred to as "the duodecimo Demosthenes" by Tim Healy which Devlin took as a compliment.