Brett Sheehan (born 16 September 1979) is an Australian rugby union footballer. He was also included in Australia's squad for matches during the 2006 Tri Nations Series.Sheehan previously played for the Queensland Reds, playing four Super 12 matches for them in 2005. He then moved back to Sydney, to play for the Waratahs for the 2006 season. At the conclusion of the 2008 season Brett announced that he will be moving to the Western Force franchise.