Stefan Olsson (born 24 April 1987) is a Swedish Wheelchair tennis player. Olsson is the former world number two singles player. He has won two Grand Slam titles in doubles, the 2009 US Open and the 2010 Wimbledon titles. Olsson has won both the singles and doubles events at the year end Masters and is one half of the reigning men's doubles champion at the Paralympic Games. He started playing tennis aged seven.