The men's 1500 metres event at the 2003 Asian Athletics Championships was held in Manila, Philippines on September 20–21.[1]
| width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| Rashid Ramzi | Saif Saaeed Shaheen | Fumikazu Kobayashi |
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 2 | 3:49.89 | Q | |||
| 2 | 2 | 3:50.07 | Q | |||
| 3 | 2 | 3:50.52 | Q | |||
| 4 | 2 | 3:50.76 | Q | |||
| 5 | 2 | 3:50.84 | Q | |||
| 6 | 2 | 3:51.20 | q | |||
| 7 | 1 | 3:51.68 | Q | |||
| 8 | 1 | 3:52.00 | Q | |||
| 9 | 1 | 3:52.06 | Q | |||
| 10 | 1 | 3:52.42 | Q, SB | |||
| 11 | 2 | 3:52.49 | q, SB | |||
| 12 | 1 | 3:53.10 | Q | |||
| 13 | 1 | 3:53.61 | PB | |||
| 14 | 2 | 3:54.12 | SB | |||
| 15 | 2 | 3:54.16 | SB | |||
| 16 | 1 | 3:55.48 | SB | |||
| 17 | 2 | 4:03.33 | SB | |||
| 18 | 1 | 4:47.75 | PB |
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 3:41.66 | |||||
| 3:42.79 | |||||
| 3:42.96 | |||||
| 3:46.62 | |||||
| 3:46.94 | SB | ||||
| 3:47.39 | SB | ||||
| 3:47.54 | NJR | ||||
| 3:48.33 | |||||
| 3:50.04 | SB | ||||
| 10 | 3:51.60 | ||||
| 11 | 3:59.13 | ||||