2009 Asian Athletics Championships – Men's 400 metres
# 2009 Asian Athletics Championships – Men's 400 metres

The men's 400 metres event at the 2009 Asian Athletics Championships was held at the Guangdong Olympic Stadium on November 10–11.

## Medalists

| Gold | Silver | Bronze |
| - | - | - |
| Liu Xiaosheng China | Yuzo Kanemaru Japan | Ismail Al-Sabani Saudi Arabia |

## Results

### Heats

| Rank | Heat | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | 2 | Yuzo Kanemaru | Japan | 46.15 | Q |
| 2 | 2 | Liu Xiaosheng | China | 46.17 | Q |
| 3 | 3 | Bibin Mathew | India | 46.59 | Q |
| 4 | 3 | Reza Bouazar | Iran | 46.62 | Q, SB |
| 5 | 2 | Mortaja Shake | India | 46.98 | q |
| 6 | 3 | Rohitha Imiya Mudiyanse | Sri Lanka | 47.03 | q |
| 7 | 1 | Ismail Al-Sabani | Saudi Arabia | 47.16 | Q |
| 8 | 1 | Hideyuki Hirose | Japan | 47.32 | Q |
| 9 | 3 | Sergey Zaikov | Kazakhstan | 47.47 | |
| 10 | 1 | Chanatip Ruckburee | Thailand | 47.67 | |
| 11 | 2 | Jukkatip Pojaroen | Thailand | 47.78 | |
| 12 | 1 | Boris Khamzin | Kazakhstan | 47.84 | |
| 13 | 1 | Mohd Zafril Mohd Zuslaini | Malaysia | 47.88 | |
| 14 | 1 | Julius Felicisimo Nierras Jr. | Philippines | 48.07 | |
| 15 | 1 | Zhou Jie | China | 48.28 | |
| 16 | 2 | Panerselvam Yuvaaraj | Malaysia | 48.71 | |
| 17 | 2 | Saud Mohamed | United Arab Emirates | 49.00 | |
| 18 | 3 | Farkhod Kuralov | Tajikistan | 49.42 | PB |
| | 2 | Prasanna Amarasekara | Sri Lanka | DQ | |
| | 3 | Femi Seun Ogunode | Qatar | DNS | |

### Final

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| | 4 | Liu Xiaosheng | China | 46.55 | |
| | 3 | Yuzo Kanemaru | Japan | 46.60 | |
| | 6 | Ismail Al-Sabani | Saudi Arabia | 46.84 | |
| 4 | 5 | Bibin Mathew | India | 47.03 | |
| 5 | 1 | Mortaja Shake | India | 47.36 | F1 |
| 6 | 2 | Rohitha Imiya Mudiyanse | Sri Lanka | 47.41 | |
| 7 | 7 | Reza Bouazar | Iran | 47.46 | F2 |
| 8 | 8 | Hideyuki Hirose | Japan | 48.52 | |
