Infobox last updated on: 1 February 2008.

Xavier Malisse (born 19 July 1980) is a Belgian tennis player. Born in Kortrijk, Belgium, he is considered the biggest Belgian tennis talent on the ATP tour. He is sponsored by Prince and Lotto.

Xavier Malisse turned professional in 1998. In his professional career, Malisse has reached ten finals in which he has won three: Delray Beach, 2005 and most recently, Chennai and again, Delray Beach in 2007. Xavier Malisse and Olivier Rochus won the French Open doubles championship in 2004. His best performance in Grand Slam singles competition was at the 2002 Wimbledon championships, where he reached the semifinal, beating Britain's Greg Rusedski in five sets en route. He eventually lost to runner-up David Nalbandian. Malisse started the 2006 tennis season in good form, reaching the finals in Adelaide and the second round of the Australian Open beating Mikhail Youzhny in the first round and losing a five-set match to Thomas Johansson in the second round.