William Finbar O'Sullivan (born 5 October 1959) is an English former professional footballer who played in the Football League as a midfielder. He also played non-league football for clubs including Dartford, Gravesend & Northfleet, Fisher Athletic, Dover Athletic, Crawley Town, Dulwich Hamlet, Bromley and Margate. He represented the Republic of Ireland at youth level.
His son Callum John OâÂÂsullivan followed in his footsteps in regards to a football career, and played for Crystal Palace, Dartford, Erith town, Cray valley, and Lewisham borough