Svetlana Aleksandrovna Kuznetsova (born June 27, 1985 in St. Petersburg (then Leningrad) is a Russian professional tennis player. She won the 2004 US Open and the 2009 French Open singles titles defeating Elena Dementieva and Dinara Safina. She also was the runner-up in singles at the 2006 French Open and the 2007 US Open, both times to Belgian player Justine Henin. As of June 7, 2010, Kuznetsova is ranked World No. 19.