2011 WTA Tour Championships

The 2011 WTA Tour Championships was the end-of-year WTA Tour championship. The top 16 women on the 2011 WTA Tour qualified to participate.

Singles
Serena Williams was the two-time defending champion, but lost in the first round against Samantha Stosur. Top seed and World No. 1 Caroline Wozniacki won the title, defeating former champion Maria Sharapova 6-2, 6-2 in the final.