# Swimming at the 2020 European Aquatics Championships – Men's 4 × 100 metre medley relay

The Men's 4 × 100 metre medley relay competition of the 2020 European Aquatics Championships was held on 23 May 2021.

## Records

Before the competition, the existing world, European and championship records were as follows.
| | Team | Time | Location | Date |
| World record | United States | 3:27.28 | Rome | 2 August 2009 |
| European record | Great Britain | 3:28.10 | Gwangju | 28 July 2019 |
| Championship record | Great Britain | 3:30.44 | Glasgow | 9 August 2018 |
The following new records were set during this competition.
| Date | Event | Nation | Time | Record |
| 23 May | Final | Great Britain | 3:28.59 | CR |

## Results
### Heats

The heats were started at 10:54.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 8 | Great Britain | Joe Litchfield (54.09) James Wilby (58.90) Duncan Scott (51.43) Thomas Dean (48.06) | 3:32.48 | Q |
| 2 | 2 | 7 | France | Yohann Ndoye Brouard (52.96) Theo Bussiere (1:00.30) Mehdy Metella (51.26) Maxime Grousset (47.98) | 3:32.50 | Q |
| 3 | 1 | 3 | Italy | Thomas Ceccon (53.69) Alessandro Pinzuti (59.60) Piero Codia (52.13) Alessandro Miressi (48.05) | 3:33.47 | Q |
| 4 | 1 | 0 | Poland | Kacper Stokowski (54.42) Jan Kozakiewicz (1:00.41) Paweł Korzeniowski (51.54) Jakub Kraska (48.16) | 3:34.53 | Q |
| 5 | 1 | 1 | Ireland | Shane Ryan (54.11) Darragh Greene (58.98) Brendan Hyland (52.85) Jack McMillan (48.68) | 3:34.62 | Q, NR |
| 6 | 1 | 9 | Russia | Evgeny Rylov (53.44) Anton Chupkov (58.94) Alexander Kudashev (53.49) Aleksandr Shchegolev (48.85) | 3:34.72 | Q |
| 7 | 2 | 0 | Belarus | Viktar Staselovich (54.92) Ilya Shymanovich (58.20) Yauhen Tsurkin (52.21) Artsiom Machekin (49.54) | 3:34.87 | Q |
| 8 | 1 | 4 | Germany | Björn Kammann (55.38) Lucas Matzerath (59.11) Ramon Klenz (52.25) Josha Salchow (48.26) | 3:35.00 | Q |
| 9 | 2 | 3 | Lithuania | Danas Rapšys (55.14) Andrius Šidlauskas (59.23) Deividas Margevičius (52.29) Simonas Bilis (48.82) | 3:35.48 | |
| 10 | 2 | 5 | Hungary | Benedek Kovács (54.78) Tamás Takács (1:01.18) Hubert Kós (52.22) Nándor Németh (47.87) | 3:36.05 | |
| 11 | 1 | 7 | Sweden | Gustav Hökfelt (55.29) Erik Persson (59.72) Simon Sjödin (52.28) Isak Eliasson (48.87) | 3:36.16 | |
| 12 | 1 | 5 | Austria | Bernhard Reitshammer (55.12) Christopher Rothbauer (1:01.67) Simon Bucher (51.80) Heiko Gigler (48.03) | 3:36.62 | NR |
| 13 | 2 | 9 | Turkey | Berke Saka (55.73) Berkay-Ömer Öğretir (58.86) Ümitcan Güreş (52.31) Baturalp Ünlü (49.99) | 3:36.89 | |
| 14 | 2 | 1 | Greece | Apostolos Christou (53.71) Konstantinos Meretsolias (1:00.01) Stefanos Dimitriadis (54.38) Andreas Vazaios (48.96) | 3:37.06 | |
| 15 | 2 | 4 | Bulgaria | Kaloyan Levterov (55.89) Lyubomir Epitropov (1:00.13) Josif Miladinov (52.29) Antani Ivanov (49.17) | 3:37.48 | NR |
| 16 | 1 | 8 | Estonia | Armin Evert Lelle (55.21) Martin Allikvee (1:01.81) Alex Ahtiainen (52.43) Daniel Zaitsev (48.31) | 3:37.76 | NR |
| 17 | 2 | 2 | Czech Republic | Jan Čejka (54.31) Matěj Zábojník (1:01.84) Jan Šefl (52.30) Adam Hlobeň (49.82) | 3:38.27 | |
| 18 | 1 | 2 | Norway | Markus Lie (55.68) André Klippenberg Grindheim (1:00.36) Tomoe Zenimoto Hvas (52.98) Nicholas Lia (49.50) | 3:38.52 | NR |
| 19 | 2 | 6 | Slovakia | Alex Kušík (58.43) Tomáš Klobučník (1:02.22) Ádám Halás (53.80) Matej Duša (50.17) | 3:44.62 | NR |
| | 1 | 6 | Switzerland | Roman Mityukov (54.55) Jérémy Desplanches (1:01.24) Noè Ponti (52.12) Antonio Djakovic | Disqualified | Disqualified |

### Final

The final was held at 19:14.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | Great Britain | Luke Greenbank (53.64) Adam Peaty (57.38) James Guy (50.65) Duncan Scott (46.92) | 3:28.59 | CR |
| | 7 | Russia | Kliment Kolesnikov (52.13) Kirill Prigoda (59.02) Mikhail Vekovishchev (50.94) Andrey Minakov (47.41) | 3:29.50 | |
| | 3 | Italy | Thomas Ceccon (53.59) Nicolò Martinenghi (57.84) Federico Burdisso (51.29) Alessandro Miressi (47.21) | 3:29.93 | NR |
| 4 | 6 | Poland | Kacper Stokowski (54.18) Jan Kozakiewicz (59.34) Jakub Majerski (51.11) Jakub Kraska (48.19) | 3:32.82 | NR |
| 5 | 5 | France | Yohann Ndoye Brouard (53.22) Théo Bussière (1:00.60) Mehdy Metella (51.46) Maxime Grousset (47.82) | 3:33.10 | |
| 6 | 1 | Belarus | Viktar Staselovich (54.75) Ilya Shymanovich (57.84) Yauhen Tsurkin (51.93) Artsiom Machekin (49.68) | 3:34.20 | |
| 7 | 2 | Ireland | Shane Ryan (54.23) Darragh Greene (59.20) Brendan Hyland (53.08) Jack McMillan (48.37) | 3:34.88 | |
| 8 | 8 | Germany | Björn Kammann (55.42) Lucas Matzerath (58.95) Ramon Klenz (52.09) Josha Salchow (48.81) | 3:35.27 | |