Matthew Charles Sing (born 13 March 1975) is an Australian former professional rugby league footballer who played in the 1990s and 2000s. An Australian and Queensland representative, Sing played his club football for the Penrith Panthers, Sydney Roosters and North Queensland Cowboys in the National Rugby League (NRL) and for Hull F.C. in the Super League. Sing was the sixth player in Australian first grade history to score 150 tries and, as of 2019, is seventh on the all-time try scorers list.