# 2012 FINA World Swimming Championships (25 m) – Men's 4 × 100 metre freestyle relay

The men's 4 × 100 metre freestyle relay event at the 11th FINA World Swimming Championships (25m) took place 12 December 2012 at the Sinan Erdem Dome.

## Records

Prior to this competition, the existing world and championship records were as follows.
| | Nation | Swimmers | Time | Location | Date |
| World record | United States | Nathan Adrian (45.08) Matt Grevers (44.68) Garrett Weber-Gale (47.43) Michael Phelps (46.11) | 3:03.30 | Manchester | 19 December 2009 |
| Championship record | France | Alain Bernard (46.78) Frédérick Bousquet (45.92) Fabien Gilot (45.75) Yannick Agnel (46.33) | 3:04.78 | Dubai | 15 December 2010 |
The following records were established during the competition:
| Date | Event | Round | Nation | Name | Time | Record |
| 12 December | 100 freestyle | Final | Russia | Vladimir Morozov | 45.52 | CR |

## Results
### Heats

19 teams participated in 3 heats.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 1 | 1 | Italy | Luca Dotto (47.04) Marco Orsi (46.89) Michele Santucci (47.50) Filippo Magnini (47.31) | 3:08.74 | Q |
| 2 | 2 | 4 | United States | Anthony Ervin (46.86) Garrett Weber-Gale (46.99) Tyler Reed (48.15) Jimmy Feigen (46.90) | 3:08.90 | Q |
| 3 | 2 | 5 | Russia | Vladimir Morozov (46.63) Yevgeny Lagunov (46.95) Artem Lobuzov (47.71) Dmitri Yermakov (47.73) | 3:09.02 | Q |
| 4 | 1 | 4 | Australia | Tommaso D'Orsogna (47.25) Kyle Richardson (47.67) Travis Mahoney (47.27) Kenneth To (47.04) | 3:09.23 | Q |
| 5 | 2 | 3 | Japan | Kenta Ito (47.91) Shinri Shioura (46.88) Kenji Kobase (47.22) Takuro Fujii (47.71) | 3:09.72 | Q, AS |
| 6 | 3 | 5 | Brazil | Guilherme Roth (48.13) Fernando Santos (47.60) Leonardo Alcover (47.47) Vinicius Waked (48.73) | 3:11.93 | Q |
| 7 | 2 | 7 | China | Lü Zhiwu (48.16) Shi Yang (48.12) Hao Yun (47.94) Shi Tengfei (48.55) | 3:12.77 | Q |
| 8 | 3 | 3 | Turkey | Kemal Arda Gürdal (47.93) Iskender Baslakov (48.71) Kaan Türker Ayar (50.17) Doğa Çelik (47.59) | 3:14.40 | Q, NR |
| 9 | 1 | 7 | Croatia | Ivan Levaj (49.12) Dominik Straga (48.71) Mihael Vukić (49.62) Mislav Sever (49.23) | 3:16.68 | NR |
| 10 | 2 | 1 | Great Britain | Ieuan Lloyd (49.46) Robert Renwick (49.62) Roberto Pavoni (49.21) Chris Walker-Hebborn (48.48) | 3:16.77 | |
| 11 | 1 | 5 | Paraguay | Carlos Orihuela (52.42) José Lobo (51.75) Charles Hockin (49.25) Ben Hockin (47.48) | 3:20.90 | |
| 12 | 1 | 3 | Argentina | Joaquín Belza (49.66) Martín Naidich (51.66) Juan Pereyra (51.38) Matías Aguilera (48.25) | 3:20.95 | NR |
| 13 | 2 | 6 | Macau | Lao Kuan Fong (51.32) Ngou Pok Man (52.48) Chao Man Hou (54.47) Sio Ka Kun (54.14) | 3:32.41 | |
| 14 | 1 | 6 | India | Neil Himanshu Contractor (54.03) Sarma S. P. Nair (53.37) Agnishwar Jayaprakash (52.27) Jaywant Arcot Vijaykumar (55.33) | 3:35.00 | |
| 15 | 3 | 2 | Malta | Andrew Chetcuti (49.96) Andrea Agius (53.49) Edward Caruana Dingli (53.19) Andrea M. Agius (58.75) | 3:35.39 | |
| 16 | 1 | 2 | Brunei | Omar Yousif (54.24) Farhan Farhan (57.93) Faraj Farhan (1:00.24) Khalid Ali Baba (57.60) | 3:50.01 | |
| 17 | 2 | 2 | Qatar | Omar Omar (57.83) Noah Al-Khulaifi (57.79) Walid Daloul (1:00.15) Abdulrahman Al-Kuwari (1:00.13) | 3:55.90 | |
| | 3 | 4 | Singapore | Joseph Schooling (49.85) Pang Sheng Jun Quah Zheng Wen Ng Kai Wee Rainer | DSQ | |
| | 3 | 7 | Canada | Thomas Gossland (48.41) Jake Tapp Coleman Allen Luke Peddie | DSQ | |
| | 3 | 1 | Ghana | | DNS | |
| | 3 | 6 | Peru | | DNS | |
| | 3 | 8 | Venezuela | | DNS | |

### Final

The final was held at 20:26.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 5 | United States | Anthony Ervin (47.28) Ryan Lochte (45.64) Jimmy Feigen (47.25) Matt Grevers (46.23) | 3:06.40 | |
| | 4 | Italy | Luca Dotto (46.84) Marco Orsi (45.94) Michele Santucci (47.46) Filippo Magnini (46.83) | 3:07.07 | |
| | 6 | Australia | Tommaso D'Orsogna (46.68) Kyle Richardson (46.92) Travis Mahoney (47.32) Kenneth To (46.35) | 3:07.27 | |
| 4 | 3 | Russia | Vladimir Morozov (45.52) CR Yevgeny Lagunov (46.58) Viatcheslav Andrusenko (47.65) Artem Lobuzov (48.26) | 3:08.01 | |
| 5 | 2 | Japan | Takuro Fujii (48.18) Shinri Shioura (46.88) Kenji Kobase (47.37) Kenta Ito (46.72) | 3:09.15 | AS |
| 6 | 7 | Brazil | Leonardo Alcover (48.01) Fernando Santos (47.83) Guilherme Roth (46.79) Vinicius Waked (48.09) | 3:10.72 | |
| 7 | 1 | China | Lü Zhiwu (48.20) Shi Yang (48.33) Hao Yun (47.81) Shi Tengfei (48.32) | 3:12.66 | |
| 8 | 8 | Turkey | Kemal Arda Gürdal (47.86) Iskender Baslakov (48.23) Doğa Çelik (47.96) Kaan Türker Ayar (49.68) | 3:13.73 | NR |