Matthew O'Halloran (born 18 November 1982) is an English former professional footballer who most recently played as a midfielder for Sleaford Town but has now retired following a string of persistent injuries. O'Halloran played in the Football League between 2000 and 2005 for Derby County, Oldham Athletic, Chesterfield and Boston United, as well as playing non-league football for Burton Albion, King's Lynn, Corby Town, Lincoln United, Lincoln Moorlands Railway and Sleaford Town.