The women's 20 kilometres walk event at the 2009 Asian Athletics Championships was held on November 13.
Results edit
| Rank | Name | Nationality | Time | Penalties | Notes |
|---|---|---|---|---|---|
 |
Mayumi Kawasaki |  Japan |
1:30:12 | CR | |
 |
Yang Yawei |  China |
1:34:11 | ~ | |
 |
Svetlana Tolstaya |  Kazakhstan |
1:36:42 | ||
| 4 | Galina Kichigina | Kazakhstan |
1:47:14 | ||
| Liu Hong | China |
DQ | ~~~ |