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 |  Japan |
Yoshihiro Horigome, Hideo Togashi, Shinji Takahira, Yoshiaki Kitaoka | 3:06.98 | Q |
| 1 | 2 |  Russia |
Dimitry Petrov, Andrey Semenov, Andrey Polukeyev, Igor Vasilyev | 3:07.11 | Q |
| 2 | 2 |  Thailand |
Banjong Lachua, Weera Kongsri, Suphachai Phacsai, Narong Nilploy | 3:08.97 | Q |
| 2 | 1 |  Ukraine |
Volodymyr Demchenko, Yevgeniy Zyukov, Hennadiy Horbenko, Andriy Tverdostup | 3:09.01 | Q |
| 3 | 2 |  South Korea |
Son Jung-ho, Lee Sang-jun, Lee Sang-in, Kim Yong-sam | 3:15.52 | Q |
| 3 | 1 |  Great Britain |
Ashley Swain, James Chatt, Bradley Yiend, Adam Potter | 3:16.20 | Q |
| 4 | 2 |  New Zealand |
Sam Higgie, Tim Hawkes, Max Smith, Craig Bearda | 3:17.29 | q |
| 5 | 2 |  Hong Kong |
Ryan Lai Ka Pun, Eric Chan Chi Hong, So Hoi Nam, Que Yin Tik | 3:25.53 | q |
| 4 | 1 |  Macau |
Cheong Man Fong, Lam Ting Pang, Iao Kuan Un, Chang Wa Ieng | 3:30.39 | |
| 5 | 1 |  Sri Lanka |
Kulan Arunajith, Vajira Kularatne, Ravindra Jayasinghe, S. M. P. S. D. Pathirana | 3:31.51 |
| Rank | Nation | Athletes | Time | Notes |
|---|---|---|---|---|
 |
Ukraine |
Volodymyr Demchenko, Yevgeniy Zyukov, Hennadiy Horbenko, Andriy Tverdostup | 3:03.15 | |
 |
Russia |
Dimitry Petrov, Andrey Semenov, Sergey Babayev, Igor Vasilyev | 3:04.78 | |
 |
Great Britain |
Matthew Dougals, James Chatt, Bradley Yiend, Adam Potter | 3:05.54 | |
| 4 | Japan |
Yoshihiro Horigome, Hideo Togashi, Shinji Takahira, Yoshiaki Kitaoka | 3:05.97 | |
| 5 | New Zealand |
Sam Higgie, Gareth Hyett, Tim Hawkes, Craig Bearda | 3:13.89 | |
| 6 | South Korea |
Son Jung-ho, Lee Sang-jun, Lee Sang-in, Kim Yong-sam | 3:14.87 | |
| 7 | Hong Kong |
Ryan Lai Ka Pun, Eric Chan Chi Hong, So Hoi Nam, Que Yin Tik | 3:35.91 | |
| Thailand |
DNS |
