Sara Errani (Italian pronunciation: ; born April 29, 1987) is a professional tennis player from Italy. She is a former top 5 player in singles and former world No. 1 in doubles. She has won nine career singles titles, and 27 career doubles titles – which includes five Grand Slam doubles championships and five Premier Mandatory/Premier 5 doubles titles, thereby completing the Career Grand Slam in doubles.
Errani's breakthrough season occurred in 2012. At the Australian Open, she reached the quarterfinals in singles and was a finalist in doubles. Known as a clay-court specialist, Errani won three titles on clay going into the 2012 French Open, where she reached the finals in both the singles (becoming only the second Italian woman to ever reach a Grand Slam singles final) and doubles tournaments, winning the doubles title with her partner Roberta Vinci. They also won the doubles titles at the 2012 US Open, and the 2013 and 2014 Australian Open. By winning the 2014 Wimbledon Women's Doubles title together, Errani and Vinci became only the fifth pair in tennis history to complete a Career Grand Slam.