| 2003 China Open | |
|---|---|
| Date | 15–21 September 2003 |
| Edition | 5th |
| Category | WTA Tier II |
| Draw | 28S / 16D |
| Prize money | USD $585,000 |
| Surface | Hard, outdoor |
| Location | Shanghai, China |
| Champions | |
| Singles | |
 Elena Dementieva | |
| Doubles | |
 Émilie Loit /  Nicole Pratt | |
The 2003 Polo Open was a women's tennis tournament played on outdoor hard courts in Shanghai, China. It was the 5th edition of the China Open, and was a Tier II tournament on the 2003 WTA Tour. The tournament was played between 15 – 21 September 2003. First-seeded Elena Dementieva won the singles title.
The tournament was not part of the 2003 ATP Tour, as no male events took place.