Markus Rackl (born 3 March 1969) is a former professional tennis player from Germany.

A left-handed player from Traunstein, Rackl played professionally in the late 1980s and early 1990s.

His best performance on tour came when he made the semi-finals of the Madrid Tennis Grand Prix in 1988, with wins over Marcelo Ingaramo, Edoardo Mazza and Sergio Casal.

[1] In 1988 he was also a quarter-finalist at the Athens Open after beating top seed Tore Meinecke and won a Challenger title in Montabaur.

[2] He won one further Challenger event, in Salzburg in 1991.