William Lee de Havilland (born 8 November 1994) is an English professional footballer who plays for Maidenhead United, as a defender.
De Havilland began his career with Millwall, never making a first-team appearance, and spending loan spells with non-league clubs Cambridge City and Histon. After leaving Millwall in 2014 he had a brief spell, also in non-league, with Bishop's Stortford, before returning to league football with Sheffield Wednesday. He left the club after two years, having not made a first-team appearance, and signed for Wycombe Wanderers where he made his professional debut. He spent loan spells at non-league Aldershot Town and Maidstone United. In June 2018 it was announced that he would sign a permanent contract with Maidstone United in July 2018.