Guy Thys, Belgian footballer, coach, and manager (b. 1922)

Guy Thys (6 December 1922 – 1 August 2003) was a Belgian football manager, mostly known for being the most successful manager in the history of the Belgium national football team as he managed to lead the national side to their only UEFA European Championship final in 1980 and a fourth–place finish at the 1986 FIFA World Cup.