|2003 Toray Pan Pacific Open|
|Date||January 25 - February 2|
|Surface||Carpet / indoor|
|Venue||Tokyo Metropolitan Gymnasium|
|Elena Bovina / Rennae Stubbs|
The 2003 Toray Pan Pacific Open was a women's tennis tournament played on indoor carpet courts. It was the 20th edition of the Toray Pan Pacific Open, and was part of the Tier I Series of the 2003 WTA Tour. It took place at the Tokyo Metropolitan Gymnasium in Tokyo, Japan, from January 25 through February 2, 2003. Lindsay Davenport won the singles title.