Stephen Mark Agnew (born 9 November 1965) is an English former professional footballer who is the caretaker manager at Premier League club Middlesbrough. As a player, he was a midfielder from 1983 to 2002, notably in the Premier League from Blackburn Rovers, Leicester City and Sunderland. He also played in the Football League for Barnsley, Portsmouth and York City before finishing his career in non-League with Gateshead.