Serena Williams defeated Samantha Stosur in the final, 6–4, 6–2 to win the women's singles tennis title at the 2011 Canadian Open. It was her second Canadian Open title.
Caroline Wozniacki was the defending champion, but lost to Roberta Vinci in the second round.
Seeds The top eight seeds receive a bye into the second round.
Qualifying
Main draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
References
External links Main draw and Qualifying draw