Mark O'Meley (born 22 May 1981) is an Australian former professional rugby league footballer of Irish descent who played as a prop in the 1990s, 2000s and 2010s.
An Australian international and New South Wales State of Origin representative forward, he previously played in the National Rugby League for the North Sydney Bears, the ill-fated Northern Eagles, the Canterbury-Bankstown Bulldogs (with whom he won the 2004 NRL premiership) and the Sydney Roosters.