Swimming at the 2013 World Aquatics Championships – Men's 4 × 100 metre medley relay
The men's 4 × 100 metre medley relay event in swimming at the 2013 World Aquatics Championships took place on 4 August at the Palau Sant Jordi in Barcelona, Spain.
Records
Prior to this competition, the existing world and championship records were:Results
Heats
The heats were held at 10:51.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | David Plummer Nicolas Fink Eugene Godsoe Jimmy Feigen | 3:32.72 | Q | |
| 2 | 3 | 5 | Ashley Delaney Christian Sprenger Kenneth To Cameron McEvoy | 3:33.64 | Q | |
| 2 | 3 | 6 | Vladimir Morozov Kirill Strelnikov Nikolay Skvortsov Nikita Lobintsev | 3:33.64 | Q | |
| 4 | 2 | 3 | Camille Lacourt Giacomo Perez d'Ortona Jérémy Stravius Fabien Gilot | 3:34.04 | Q | |
| 5 | 2 | 4 | Ryosuke Irie Kosuke Kitajima Takuro Fujii Shinri Shioura | 3:34.25 | Q | |
| 6 | 1 | 6 | Mirco di Tora Fabio Scozzoli Matteo Rivolta Marco Orsi | 3:34.29 | Q | |
| 7 | 2 | 5 | László Cseh Dániel Gyurta Bence Pulai Krisztián Takács | 3:34.64 | Q | |
| 8 | 1 | 5 | Felix Wolf Hendrik Feldwehr Steffen Deibler Dimitri Colupaev | 3:34.91 | Q | |
| 9 | 1 | 4 | Chris Walker-Hebborn Ross Murdoch Michael Rock Adam Brown | 3:35.23 | ||
| 10 | 1 | 3 | Xu Jiayu Gu Biaorong Wu Peng Lü Zhiwu | 3:35.95 | ||
| 11 | 2 | 6 | Darren Murray Cameron van der Burgh Chad le Clos Leith Shankland | 3:36.22 | ||
| 12 | 3 | 2 | Leonardo de Deus Felipe Lima Nicholas Santos Marcelo Chierighini | 3:36.31 | ||
| 13 | 2 | 1 | Danas Rapšys Giedrius Titenis Tadas Duškinas Mindaugas Sadauskas | 3:36.72 | ||
| 14 | 3 | 3 | Gareth Kean Glenn Snyders Shaun Burnett Matthew Stanley | 3:37.70 | ||
| 15 | 3 | 7 | Charles Francis Richard Funk Coleman Allen Luke Peddie ) | 3:38.76 | ||
| 16 | 1 | 2 | Jonatan Kopelev Imri Ganiel Yakov-Yan Toumarkin Nimrod Shapira Bar-Or | 3:39.31 | ||
| 17 | 2 | 7 | Pavel Sankovich Viktar Vabishchevich Yauhen Tsurkin Ihar Boki | 3:40.75 | ||
| 18 | 1 | 7 | Martin Baďura Petr Bartůněk Martin Žikmund Martin Verner | 3:41.49 | ||
| 19 | 2 | 8 | Guven Duvan Demir Atasoy İskender Baslakov Doğa Çelik | 3:43.71 | ||
| 20 | 3 | 8 | Shin Hee-Woong Choi Kyu-Woong Chang Gyu-Cheol Yang Jung-Doo | 3:44.08 | ||
| 21 | 1 | 1 | Ezequiel Trujillo David Oliver Mercado Ramiro Ramírez Alejandro Escudero | 3:45.39 | ||
| 22 | 3 | 1 | Mohamed Khaled Mohamed Gadallah Marwan Adel Marwan Ismail | 3:46.31 | NR | |
| 2 | 2 | Radosław Kawęcki Dawid Szulich Paweł Korzeniowski Konrad Czerniak |
Final
The final was held at 19:31.| Rank | Lane | Name | Nationality | Time | Notes |
| 6 | Camille Lacourt Giacomo Perez d'Ortona Jérémy Stravius Fabien Gilot | 3:31.51 | |||
| 5 | Ashley Delaney Christian Sprenger Tommaso D'Orsogna James Magnussen | 3:31.64 | |||
| 2 | Ryosuke Irie Kosuke Kitajima Takuro Fujii Shinri Shioura | 3:32.26 | |||
| 4 | 3 | Vladimir Morozov Kirill Strelnikov Yevgeny Korotyshkin Andrey Grechin | 3:32.74 | ||
| 5 | 8 | Felix Wolf Hendrik Feldwehr Philip Heintz Steffen Deibler | 3:33.97 | ||
| 6 | 7 | Mirco di Tora Fabio Scozzoli Matteo Rivolta Marco Orsi | 3:34.06 | ||
| 7 | 1 | László Cseh Dániel Gyurta Bence Pulai Krisztián Takács | 3:34.09 | ||
| 4 | Matt Grevers Kevin Cordes Ryan Lochte Nathan Adrian |