| Event: | Men's 4 × 400 metres relay |
| Competition: | 2024 World Athletics Relays |
| Venue: | Thomas Robinson Stadium, Nassau, Bahamas |
| Dates: | 4 May (heats) & 5 May (repechage, final) |
| Gold: | Busang Kebinatshipi, Letsile Tebogo, Leungo Scotch, Bayapo Ndori |
| Goldnoc: | BOT |
| Silver: | Gardeo Isaacs, Zakithi Nene, Antonie Nortje, Lythe Pillay |
| Silvernoc: | RSA |
| Bronze: | Dylan Borlée, Robin Vanderbemden, Alexander Doom, Jonathan Sacoor |
| Bronzenoc: | BEL |
| Prev: | 2021 |
| Next: | 2025 |
The men's 4 × 400 metres relay at the 2024 World Athletics Relays has been held at the Thomas Robinson Stadium on 4 and 5 May.
Prior to the competition, the records were as follows:
| World record | (Andrew Valmon, Quincy Watts, Butch Reynolds, Michael Johnson) | 2:54.29 | Stuttgart, Germany | 22 August 1993 | |
| Championships record | (David Verburg, Tony McQuay, Christian Taylor, LaShawn Merritt) | 2:57.25 | Nassau, Bahamas | 25 May 2014 | |
| World Leading | Patrick Kakozi Nyambe, Kennedy Luchembe, David Mulenga, Muzala Samukonga | 2:59.12 |  Accra, Ghana | 22 March 2024[1] |
| KEY: | bgcolor=ccffcc align=center | Q | Qualified | bgcolor=ddffdd align=center | q | Qualified as fastest times | WL | World leading | NR | National record | SB | Seasonal best | OG | 2024 Olympic Games qualification |
The top two per heat earned automatic Olympic qualification and advancement to the finals. All other teams had a second chance at Olympic qualification in the repechage round the following day.[2] [3]
| 1 | 2:59.73 | 4 | |||
| 2 | 2:59.76 | 4 | |||
| 3 | 3:00.09 | 2 | |||
| 4 | 3:00.98 | 1 | |||
| 5 | 3:01.25 | 1 | |||
| 6 | 3:01.68 | 3 | |||
| 7 | 3:01.70 | 2 | |||
| 8 | 3:02.10 | 3 | |||
| 9 | 3:02.46 | 2 | |||
| 10 | 3:02.55 | 3 | |||
| 11 | 3:02.87 | 2 | |||
| 12 | 3:03.02 | 3 | |||
| 13 | Wiseman Mukhobe Boniface Mweresa Brian Onyari Tinega | 3:03.29 | 3 | ||
| 14 | 3:03.72 | 4 | |||
| 15 | 3:03.81 | 4 | |||
| 16 | 3:03.97 | 2 | |||
| 17 | 3:04.15 | 1 | |||
| 18 | 3:05.00 | 1 | |||
| 19 | 3:05.02 | 1 | |||
| 20 | 3:05.91 | 1 | |||
| 21 | 3:06.74 | 2 | |||
| 22 | 3:06.84 | 4 | |||
| 23 | 3:06.86 | 2 | |||
| 24 | Wendell Miller Alonzo Russell Zion Shepherd | 3:07.45 | 3 | ||
| 25 | 3:08.15 | 4 | |||
| 26 | 3:09.09 | 3 | |||
| 27 | 3:09.91 | 2 | |||
| 28 | 3:09.91 | 3 | |||
| DQ | 1 | ||||
| DNF | 4 | ||||
| DNF | 4 |
The repechage round consisted of all countries which did not qualify for the finals. The top two countries in each repechage heat qualified for the 2024 Olympics, however there was no path for the repechage teams to qualify for the World Relays finals later in the day.[4] [5]
| 1 | 2:59.95 | 1 | |||
| 2 | 3:01.86 | 3 | |||
| 3 | Iñaki Cañal Manuel Guijarro Óscar Husillos | 3:02.39 | 2 | ||
| 4 | Asa Guevara Jereem Richards | 3:02.39 | 3 | ||
| 5 | 3:02.44 | 3 | |||
| 6 | 3:02.91 | 2 | |||
| 7 | 3:03.00 | 2 | |||
| 8 | Muzala Samukonga | 3:03.18 | 2 | ||
| 9 | 3:03.23 | 1 | |||
| 10 | 3:03.24 | 3 | |||
| 11 | 3:03.29 | 3 | |||
| 12 | 3:03.47 | 1 | |||
| 13 | 3:04.68 | 3 | |||
| 14 | Wiseman Mukhobe Boniface Mweresa | 3:04.83 | 1 | ||
| 15 | Rusheen McDonald Malik James-King Demish Gaye | 3:05.09 | 2 | ||
| 16 | 3:06.35 | 3 | |||
| 17 | Kyle Gale Jonathan Jones Raheem Taitt-Best | 3:06.54 | 2 | ||
| 18 | Wendell Miller Alonzo Russell Zion Miller | 3:08.29 | 1 | ||
| 19 | 3:09.00 | 2 | |||
| 20 | 3:10.01 | 2 | |||
| 21 | 3:10.34 | 3 | |||
| DNF | 1 | ||||
| DNS | 1 |
| 2:59.11 | ||||
| 3:00.75 | ||||
| 3:01.16 | ||||
| 4 | 3:01.20 | |||
| 5 | 3:01.60 | |||
| 6 | 3:02.62 | |||
| 7 | 3:05.55 | |||
| 8 | 3:16.68 |