The women's 400 metres hurdles event at the 2009 Asian Athletics Championships was held at the Guangdong Olympic Stadium on November 13.
Results edit
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
 |
6 | Satomi Kubokura |  Japan |
56.62 | |
 |
4 | Noraseela Mohd Khalid |  Malaysia |
57.15 | |
 |
1 | Natalya Asanova |  Uzbekistan |
59.37 | |
| 4 | 3 | Yang Qi |  China |
59.62 | |
| 5 | 8 | Nguyen Thi Bac |  Vietnam |
1:00.87 | |
| 6 | 7 | Liliya Nizamova |  Kazakhstan |
1:02.15 | |
| 7 | 5 | Sayaka Aoki | Japan |
1:02.21 | |
| 8 | 2 | Rania Al-Qebali |  Jordan |
1:10.15 |