David Sidney Riley (born 8 December 1960) is an English former footballer who played as a midfielder and striker, making 190 league appearances in a nine-year career in the Football League, scoring 40 goals.
He began his career at Nottingham Forest in 1983, and had loan spells at Darlington and Peterborough United, before joining Port Vale for £20,000 in October 1987.
In March 1990 he was sold on to Peterborough United for £40,000, and helped the club to two successive promotions into the Second Division.
He later played for Kettering Town, Ponsonby (in New Zealand), Boston United, and King's Lynn.