| Champ: |  Dinara Safina |
| Runner: | Svetlana Kuznetsova |
| Score: | 6–1, 6–3 |
| Type: | singles doubles |
| Draw: | 28 (4 / 3) |
| Seeds: | 8 |
| Before Name: | Toray Pan Pacific Open – Singles |
| After Name: | Toray Pan Pacific Open – Singles |
| Main Name: | Pan Pacific Open |
See main article: 2008 Toray Pan Pacific Open.
Dinara Safina defeated Svetlana Kuznetsova in the final, 6–1, 6–3 to win the singles tennis title at the 2008 Pan Pacific Open. It was her fourth title of the season.[1]
Martina Hingis was the reigning champion, but she retired from professional tennis the previous year.
This was the first edition of the Pan Pacific Open to be held on outdoor hard courts; the tournament had previously been held on indoor carpet courts.
The top four seeds receive a bye into the second round.