David Trewhella is an Australian former rugby league footballer of the 1980s and 90s. After playing junior football in Newcastle, he started his senior football career in Queensland, playing for Redcliffe. He was named their player of the year in 1984. In 1986 Trewhella moved to Sydney where he played for the Eastern Suburbs club. A former halfback, he moved to the forwards, playing in various positions. Ruled to be eligible to play for New South Wales in the State of Origin, he was selected in 1988 and 1989. Trewhella's last season of first grade football was with the Cronulla-Sutherland Sharks in 1992. 

January 1st, 1963 in (Age 61)