The men's 4 × 400 metres relay event at the 2019 Summer Universiade was held on 12 and 13 July at the Stadio San Paolo in Naples.
| width=200 valign=top | Fernando Arodi Vega José Ricardo Jiménez Édgar Ramírez Valente Mendoza | width=200 valign=top | Gardeo Isaacs Zakhithi Nene Kefilwe Mogawane Sokwakhana Zazini Jon Seeliger | width=200 valign=top | Wiktor Suwara Dariusz Kowaluk Kajetan Duszyński Patryk Dobek Patryk Adamczyk |
Qualification: First 2 teams in each heat (Q) and the next 2 fastest (q) qualified for the final.[1]
| Rank | Heat | Nation | Athletes | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 3 | 3:06.38 | Q | |||
| 2 | 3 | 3:06.74 | Q | |||
| 3 | 3 | 3:06.75 | q | |||
| 4 | 2 | 3:07.31 | Q | |||
| 5 | 2 | 3:09.24 | Q | |||
| 6 | 1 | 3:09.44 | Q, NR | |||
| 7 | 1 | 3:10.05 | Q | |||
| 8 | 2 | 3:10.77 | q | |||
| 9 | 1 | 3:11.08 | ||||
| 10 | 2 | 3:11.23 | ||||
| 11 | 1 | 3:12.01 | ||||
| 12 | 1 | 3:12.28 | ||||
| 13 | 3 | 3:14.71 | ||||
| 14 | 2 | 3:20.32 | ||||
| 15 | 2 | 3:21.89 | ||||
| 3 | R170.20[2] | |||||
| 3 | R163.3a[3] | |||||
| 1 | ||||||
| 1 | ||||||
| 2 | ||||||
| 3 |
| Rank | Nation | Athletes | Time | Notes | |
|---|---|---|---|---|---|
| 3:02.89 | NR | ||||
| 3:03.23 | |||||
| 3:03.35 | |||||
| 4 | 3:04.34 | ||||
| 5 | 3:06.78 | ||||
| 6 | 3:07.00 | ||||
| 7 | 3:07.03 | ||||
| 8 | 3:07.66 | NR |