2009 Toray Pan Pacific Open

{{TennisEventInfo|2009|Toray Pan Pacific Open|

| date=September 27 – October 2

| edition=26th

| category= Premier 5

| surface=Hard / outdoor

| location=Tokyo, Japan

| champs={{flagicon|RUS}} Maria Sharapova

| champd={{flagicon|RUS}} Alisa Kleybanova / {{flagicon|ITA}} Francesca Schiavone

| main_name=Pan Pacific Open

}}

The 2009 Toray Pan Pacific Open was a women's tennis tournament played on outdoor hard courts. It was the 26th edition of the Toray Pan Pacific Open, and was part of the Premier Series of the 2009 WTA Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from September 27 through October 2, 2009. Maria Sharapova won the singles title.

Champions

{{flagicon|RUS}} Maria Sharapova defeated {{flagicon|SRB}} Jelena Janković, 5–2 (ret)

This is Sharapova's first title of the year and 20th of her career. It is her first title since April 2008 in the 2008 Bausch & Lomb Championships and her second win at this event, also winning in 2005.

{{flagicon|RUS}} Alisa Kleybanova / {{flagicon|ITA}} Francesca Schiavone defeated {{flagicon|SVK}} Daniela Hantuchová / {{flagicon|JPN}} Ai Sugiyama, 6–4, 6–2

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
{{flag\|RUS}} \|Dinara Safina \|1 \|1
{{flagu\|USA}} \|Venus Williams \|3 \|2
{{flag\|RUS}} \|Elena Dementieva \|4 \|3
{{flag\|DEN}} \|Caroline Wozniacki \|5 \|4
{{flag\|RUS}} \|Svetlana Kuznetsova \|6 \| 5
{{flag\|RUS}} \|Vera Zvonareva \|7 \| 6
{{flag\|SRB}} \|Jelena Janković \|8 \| 7
{{flag\|BLR}} \|Victoria Azarenka \|9 \| 8
{{flag\|ITA}} \|Flavia Pennetta \|10 \| 9
{{flag\|SRB}} \|Ana Ivanovic \|11 \| 10
{{flag\|POL}} \|Agnieszka Radwańska \|12 \| 11
{{flag\|AUS}} \|Samantha Stosur \|13 \| 12
{{flag\|RUS}} \|Nadia Petrova \|14 \| 13
{{flag\|FRA}} \|Marion Bartoli \|15 \| 14
{{flag\|CHN}} \|Li Na \|16 \|15
{{flag\|FRA}} \|Virginie Razzano \|18 \|16

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! Rank¹

! Seed

| 5