2011 Toray Pan Pacific Open

2011 Toray Pan Pacific Open
DateSeptember 26 – October 2
Edition28th
CategoryTier I
SurfaceHard / outdoor
LocationTokyo, Japan
VenueAriake Coliseum
Champions
Singles
Agnieszka Radwańska
Doubles
Liezel Huber / Lisa Raymond

The 2011 Toray Pan Pacific Open was a women's tennis tournament played on outdoor hard courts. It was the 28th edition of the Toray Pan Pacific Open, and was part of the Premier Series of the 2011 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan, from September 26 through October 2, 2011. Agnieszka Radwańska won the singles title.