Alizé Cornet (born 22 January 1990 in Nice, Alpes-Maritimes, France) is a female tennis player from France and the current French number four. (Behind Marion Bartoli, Amelie Mauresmo and Virginie Razzano ). She has a career-high ranking of #11, achieved on 16 February 2009; as of July 21 2009, she is ranked World No. 28. Cornet also has an extensive juniors record, winning the 2007 Girl's Singles at Roland Garros. She has won 1 WTA title.

She made her Grand Slam debut at the French Open in 2005 and made it to the second round, where she lost to Amélie Mauresmo. In 2006, she reached the second round again by beating Virginia Ruano Pascual of Spain in the first round. She could not repeat this performance in 2007, as she lost in the first round to Venus Williams 6–4, 6–3. Cornet was defeated in the Wimbledon 2007 qualifying event by Olga Govortsova 7–6(12), 3–6, 6–4, but made it to the main draw as a lucky loser when Li Na of China withdrew. Alizé reached the second round before being defeated by the experienced Ai Sugiyama 6-0, 6–0. Also in 2007, she won a $50000 ITF tournament in Dnipropetrovsk, beating Stefanie Vogele 6–4, 6–3 in the final. In the 2007 US Open, Cornet lost to Jelena Janković in the 3rd round 4-6 6-2 6-3.

Cornet reached 2nd round at Australian Open where she lost to #9 seed Daniela Hantuchová. Over the following months, Cornet experienced a great level of success on the main tour, particularly on clay, reaching the final in Acapulco and the semi-finals in Amelia Island and Charleston (a Tier I event). Cornet entered the 2008 Rome Masters and beat Vera Dushevina 6-1, 6-3 in the first round, Francesca Schiavone 6-3, 6-2 in the second, world number 3 Svetlana Kuznetsova 6-2, 6-4 in the third, and then received a walkover from an injured Serena Williams to get into the semi-finals. Here she defeated Anna Chakvetadze 3-6, 6-4, 6-3, to reach her first Tier I final. However here she lost to Jelena Janković 6-2, 6-2.