| 2009 HP Open | |
|---|---|
| Date | 12–18 October |
| Edition | 1st |
| Category | WTA International |
| Surface | Hard / outdoor |
| Location | Osaka, Japan |
| Champions | |
| Singles | |
 Samantha Stosur | |
| Doubles | |
 Chuang Chia-jung /  Lisa Raymond | |
The 2009 HP Open (also known as the 2009 HP Japan Women's Open Tennis) was a women's tennis tournament played on outdoor hard courts. It was the 1st edition of the HP Open, and was classified as an WTA International tournaments of the 2009 WTA Tour. It was played in Osaka, Japan.