
Jarkko Nieminen (born July 23, 1981 in Masku, Finland) is a professional tennis player from Finland.
Nieminen ranked World No. 37 in the ATP Rankings in the 2008 end of season rankings. He has won one ATP singles title and one doubles title in his career so far. His best performances in Grand Slam tournaments have been reaching the quarter-finals of the 2005 U.S. Open, 2006 Wimbledon Championships, and the 2008 Australian Open.
Arguably Finland's best ever player, Nieminen is the highest ranked Finn ever, and is also the first and so far only Finnish player to have won an ATP singles title and to have reached the quarter-finals of a Grand Slam event.
Reached the doubles semifinals in the Australian Open 2010 with Michael Kohlmann.
Defeated top seed Novak Djokovic in the 2009 Medibank International semi-final 6-4 7-6(3). He lost to David Nalbandian in the final 6-4 6-7 6-2.
Withdrew from the 2009 Australian Open half-way through his first round clash with 28th seed, Paul-Henri Mathieu.
Lost to Michael Llodra in the final at the Adelaide International 3-6, 4-6.
Made the quarterfinals at the Australian Open, losing in straight sets to Rafael Nadal.
Represented Finland at the 2008 Summer Olympics in Beijing, losing to Thomas Johansson in the first round.
Won his first ATP doubles title in September, paired with Robert Lindstedt they beat Aisam-ul-Haq Qureshi and Rohan Bopanna in Mumbai
His best singles performance in 2007 came at Davidoff Swiss Indoors where he was beaten in the finals by World no. 1 Roger Federer in straight sets 6-3, 6-4. On route to the finals he had beaten Robby Ginepri, Guillermo Cañas, World no. 8 Fernando González and Marcos Baghdatis.





