Dublin Rathmines, a division of County Dublin based on the suburb of Rathmines, was a former British Parliament constituency in Ireland. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom from 1918 to 1922. Before the 1918 general election the area was the northern part of the South Dublin constituency, extended a bit west into territory formerly part of North Dublin. From 1922 it was not represented in the British Parliament.