Harold Alexander De Barbizon Sloan (August 25, 1882- January 21, 1917) was an Irish soccer player at the beginning of the 20th century. Sloan represented Bohemians during his career in the Irish League. A classy forward, he was one of the main stars in the early Bohemian history. He scored the very first goal ever at Dalymount Park in a 4-2 win over Shelbourne on 7 September 1901. He won 8 full international caps for Ireland and once scored a hat-trick for them against Wales in a 4-4 draw in April 1906.