| 2016 Toray Pan Pacific Open | |
|---|---|
| Date | 19–25 September |
| Edition | 33rd |
| Category | WTA Premier |
| Draw | 28S / 16D |
| Prize money | $1,000,000 |
| Surface | Hard / outdoor |
| Location | Tokyo, Japan |
| Venue | Ariake Forest Park |
| Champions | |
| Singles | |
 Caroline Wozniacki | |
| Doubles | |
 Sania Mirza /  Barbora Strýcová | |
The 2016 Toray Pan Pacific Open was a women's tennis tournament played on outdoor hard courts. It was the 33rd edition of the Pan Pacific Open, and part of the Premier Series of the 2016 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan, on 19–25 September 2016. Caroline Wozniacki won the singles title.