Martin Geoffrey Smith (born 13 November 1974 in Sunderland, England) is a former professional footballer. In his professional career he played for Darlington, Northampton Town, Huddersfield Town, Sheffield United, Sunderland and Blyth Spartans. At his first club, Sunderland, he was part of two Division One title winning teams which won promotion to the FA Premier League, and while he was at Sunderland he made his only appearance for the England under-21 side on 15 November 1994. In August 2010 he signed for Kettering Town F.C. on non-contract terms.