# 2023 Asian Athletics Championships – Men's 400 metres hurdles

The men's 400 metres hurdles event at the 2023 Asian Athletics Championships was held on 14 and 15 July.

## Medalists

| Gold | Silver | Bronze |
| Bassem Hemeida Qatar | Yusaku Kodama Japan | Santhosh Kumar Tamilarasan India |

## Results
### Heats

Held on 14 July
Qualification rule: First 3 in each heat (Q) and the next 4 fastest (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 4 | Yusaku Kodama | Japan | 50.31 | Q |
| 2 | 2 | Eric Cray | Philippines | 50.39 | Q |
| 3 | 2 | Xie Zhiyu | China | 50.47 | Q |
| 4 | 3 | Santhosh Kumar Tamilarasan | India | 50.50 | Q |
| 5 | 1 | Palaksha Yashas | India | 50.84 | Q |
| 6 | 3 | Kaito Tsutsue | Japan | 51.01 | Q |
| 7 | 1 | Mehdi Pirjahan | Iran | 51.11 | Q |
| 8 | 4 | Bassem Hemeida | Qatar | 51.18 | Q |
| 9 | 1 | Peng Ming-yang | Chinese Taipei | 51.27 | Q |
| 10 | 4 | Chen Chieh | Chinese Taipei | 51.37 | Q |
| 11 | 3 | Mohamed Dahim Al-Mouaoui | Saudi Arabia | 51.46 | Q |
| 12 | 1 | Nathapol Dansoongnern | Thailand | 51.52 | q |
| 13 | 3 | Vyacheslav Zems | Kazakhstan | 51.58 | q |
| 14 | 2 | Marc Anthony Ibrahim | Lebanon | 51.59 | Q |
| 15 | 4 | Dmitriy Koblov | Kazakhstan | 51.75 | q |
| 16 | 1 | Calvin Quek | Singapore | 51.96 | q |
| 17 | 1 | Rusleen Zikry Putra Roseli | Malaysia | 52.52 | |
| 18 | 4 | Methasit Krapinu | Thailand | 52.76 | PB |
| 19 | 2 | Doudai Ismail Abakar | Qatar | 53.03 | |
| 20 | 2 | Phattanan Thorphathong | Thailand | 53.50 | |
| 21 | 2 | Zaid Al-Awamleh | Jordan | 55.65 | PB |
| 22 | 3 | Dilshodbek Boboqulov | Uzbekistan | 53.38 | |
| 23 | 4 | Muhammad Fakhrul Afizur | Malaysia | 54.71 | |
| 24 | 3 | Leonid Pronzhenko | Tajikistan | 55.30 | |
| 25 | 4 | Siphasouk Botvilaithong | Laos | 58.51 | PB |

### Semifinals

Held on 14 July Qualification rule: First 3 in each heat (Q) and the next 2 fastest (q) qualified for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 2 | Yusaku Kodama | Japan | 49.45 | Q |
| 2 | 2 | Palaksha Yashas | India | 49.60 | Q |
| 2 | 2 | Xie Zhiyu | China | 49.60 | Q |
| 4 | 1 | Mehdi Pirjahan | Iran | 49.71 | Q |
| 5 | 2 | Bassem Hemeida | Qatar | 49.81 | q |
| 6 | 1 | Eric Cray | Philippines | 49.98 | Q |
| 7 | 2 | Peng Ming-yang | Chinese Taipei | 50.04 | q |
| 8 | 1 | Santhosh Kumar Tamilarasan | India | 50.06 | Q |
| 9 | 1 | Kaito Tsutsue | Japan | 50.09 | |
| 10 | 1 | Chen Chieh | Chinese Taipei | 50.19 | |
| 11 | 1 | Mohamed Dahim Al-Mouaoui | Saudi Arabia | 50.80 | |
| 12 | 1 | Dmitriy Koblov | Kazakhstan | 50.81 | |
| 13 | 2 | Marc Anthony Ibrahim | Lebanon | 51.22 | |
| 14 | 1 | Calvin Quek | Singapore | 51.82 | |
| 15 | 2 | Vyacheslav Zems | Kazakhstan | 52.28 | |
| | 2 | Nathapol Dansoongnern | Thailand | DQ | FS |

### Final

Held on 15 July
| Rank | Lane | Name | Nationality | Time | Notes |
| | 2 | Bassem Hemeida | Qatar | 48.64 | PB |
| | 6 | Yusaku Kodama | Japan | 48.96 | |
| | 7 | Santhosh Kumar Tamilarasan | India | 49.09 | |
| 4 | 4 | Xie Zhiyu | China | 49.19 | PB |
| 5 | 3 | Mehdi Pirjahan | Iran | 49.55 | |
| 6 | 8 | Eric Cray | Philippines | 49.76 | |
| 7 | 1 | Peng Ming-yang | Chinese Taipei | 50.33 | |
| | 5 | Palaksha Yashas | India | DNS | |