Joseph John "Joe" Holliday, is a former Gibraltarian politician and member of the Gibraltar Social Democrats. He served as Gibraltar's Minister for Tourism and Deputy Chief Minister and Minister for Trade and Enterprise until the 2011 general election, with Peter Caruana as Chief Minister. Holliday failed to obtain a seat at the Gibraltar Parliament at this election. In 2009 he was the subject of an investigation by the Gibraltar Financial Intelligence Unit but was eventually cleared.