Michael Sullivan (12 January 1934 – 5 April 2016), also known by the nickname of "Sully", was an English World Cup winning professional rugby league footballer who played in the 1950s and 1960s, and coached in the 1970s. He set the record for the most appearances for the Great Britain Lions with 46. This record has been matched (by Garry Schofield) but never overtaken. He also holds the record for the most rugby league test match tries by a player of any nationality with 44.