The 2005 Toray Pan Pacific Open was a women's tennis tournament played on indoor carpet courts. It was the 22nd edition of the Toray Pan Pacific Open, and was part of the Tier I Series of the 2005 WTA Tour. It took place at the Tokyo Metropolitan Gymnasium in Tokyo, Japan, from January 28 through February 6, 2005. Maria Sharapova won the singles title.
| 2005 Toray Pan Pacific Open | |
|---|---|
| Date | January 28 – February 6 |
| Edition | 22nd |
| Category | Tier I |
| Surface | Carpet / indoor |
| Location | Tokyo, Japan |
| Venue | Tokyo Metropolitan Gymnasium |
| Champions | |
| Singles | |
 Maria Sharapova | |
| Doubles | |
 Janette Husárová / Elena Likhovtseva | |
Finals edit
Singles edit
Maria Sharapova defeated 
Lindsay Davenport, 6–1, 3–6, 7–6
Doubles edit
Janette Husárová / Elena Likhovtseva defeated Lindsay Davenport / Corina Morariu, 6–4, 6–3