The men's 4 × 400 metres relay event at the 2003 Summer Universiade was held in Daegu, South Korea on 29 and 30 August.
| Rank | Heat | Nation | Athletes | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 1 | 3:06.98 | Q | |||
| 1 | 2 | 3:07.11 | Q | |||
| 2 | 2 | 3:08.97 | Q | |||
| 2 | 1 | 3:09.01 | Q | |||
| 3 | 2 | 3:15.52 | Q | |||
| 3 | 1 | 3:16.20 | Q | |||
| 4 | 2 | 3:17.29 | q | |||
| 5 | 2 | 3:25.53 | q | |||
| 4 | 1 | 3:30.39 | ||||
| 5 | 1 | 3:31.51 |
| Rank | Nation | Athletes | Time | Notes | |
|---|---|---|---|---|---|
| 3:03.15 | |||||
| 3:04.78 | |||||
| 3:05.54 | |||||
| 4 | 3:05.97 | ||||
| 5 | 3:13.89 | ||||
| 6 | 3:14.87 | ||||
| 7 | 3:35.91 | ||||