Freddy Thielemans (born 11 September 1944) is a Belgian socialist politician who was the mayor of the City of Brussels from 2001 to 2013, and previously also for a period in 1994.
Freddy Thielemans learnt to play rugby with Brussels Barbarians RFC during the late 1970s & early 1980s as a prop, took part in the Vancouver Tour in 1982 and also represented Belgium at Rugby Union.