The men's 400 metres hurdles event at the 2013 Asian Athletics Championships was held at the Shree Shiv Chhatrapati Sports Complex. The final took place on 7 July.
| width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| Yasuhiro Fueki | Cheng Wen | Satinder Singh |
First 2 in each heat (Q) and 2 best performers (q) advanced to the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 1 | 50.89 | Q | |||
| 2 | 1 | 51.20 | Q | |||
| 3 | 2 | 51.24 | Q | |||
| 4 | 3 | 51.36 | Q | |||
| 5 | 3 | 51.68 | Q | |||
| 6 | 2 | 51.74 | Q | |||
| 7 | 1 | 51.83 | q | |||
| 8 | 3 | 52.07 | q | |||
| 9 | 2 | 52.15 | ||||
| 10 | 3 | 52.26 | ||||
| 11 | 1 | 52.34 | ||||
| 12 | 3 | 52.40 | ||||
| 13 | 1 | 52.57 | ||||
| 14 | 3 | 53.18 | ||||
| 15 | 1 | 53.47 | ||||
| 16 | 3 | 53.58 | ||||
| 17 | 2 | 53.80 | ||||
| 18 | 2 | 54.07 | ||||
| 2 | ||||||
| 1 |
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 49.86 | |||||
| 50.07 | |||||
| 50.35 | |||||
| 4 | 50.36 | ||||
| 5 | 50.86 | ||||
| 6 | 51.69 | ||||
| 7 | 52.09 | ||||