# 2016 FINA World Swimming Championships (25 m) – Men's 400 metre individual medley

The Men's 400 metre individual medley competition of the 2016 FINA World Swimming Championships (25 m) was held on 10 December 2016.

## Records

Prior to the competition, the existing world and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record Championship record | Ryan Lochte | United States | 3:55.50 | Dubai | 16 December 2010 |

## Results
### Heats

The heats were held at 10:04.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 5 | Max Litchfield | Great Britain | 4:03.56 | Q |
| 2 | 5 | 4 | Dávid Verrasztó | Hungary | 4:04.08 | Q |
| 3 | 5 | 6 | Josh Prenot | United States | 4:04.43 | Q |
| 4 | 5 | 8 | Abrahm DeVine | United States | 4:04.64 | Q |
| 5 | 5 | 5 | Gergely Gyurta | Hungary | 4:04.88 | Q |
| 6 | 4 | 4 | Daiya Seto | Japan | 4:05.00 | Q |
| 7 | 4 | 2 | Takeharu Fujimori | Japan | 4:05.83 | Q |
| 8 | 1 | 7 | Mark Szaranek | Great Britain | 4:06.07 | Q |
| 9 | 4 | 3 | Brandonn Almeida | Brazil | 4:06.09 | |
| 10 | 5 | 3 | Richárd Nagy | Slovakia | 4:07.19 | |
| 11 | 4 | 1 | Joan Lluís Pons | Spain | 4:08.01 | |
| 12 | 5 | 2 | Clyde Lewis | Australia | 4:08.52 | |
| 13 | 4 | 7 | Jérémy Desplanches | Switzerland | 4:09.38 | |
| 14 | 1 | 2 | Jakub Maly | Austria | 4:09.46 | |
| 15 | 4 | 9 | Mao Feilian | China | 4:09.63 | |
| 16 | 3 | 3 | Tomas Peribonio | Ecuador | 4:10.27 | NR |
| 17 | 5 | 0 | Pavel Janeček | Czech Republic | 4:10.96 | |
| 18 | 3 | 4 | João Vital | Portugal | 4:11.80 | |
| 19 | 4 | 0 | Diogo Carvalho | Portugal | 4:11.92 | |
| 20 | 2 | 4 | Neil Fair | South Africa | 4:12.00 | |
| 21 | 3 | 2 | Tristan Cote | Canada | 4:12.73 | |
| 22 | 4 | 8 | Adam Paulsson | Sweden | 4:13.96 | |
| 23 | 5 | 7 | Dmitrii Gorbunov | Russia | 4:14.59 | |
| 24 | 5 | 9 | Jonathan Gómez | Colombia | 4:14.80 | NR |
| 25 | 3 | 7 | Luke Reilly | Canada | 4:15.58 | |
| 26 | 2 | 7 | Jarod Arroyo | Puerto Rico | 4:20.12 | |
| 27 | 2 | 3 | Wen Ren-hau | Chinese Taipei | 4:20.26 | |
| 28 | 2 | 2 | Matías López | Paraguay | 4:21.56 | NR |
| 29 | 3 | 8 | Eben Vorster | South Africa | 4:23.19 | |
| 30 | 3 | 0 | Luis Vega Torres | Cuba | 4:23.65 | NR |
| 31 | 3 | 9 | Esteban Araya | Costa Rica | 4:25.00 | NR |
| 32 | 2 | 5 | Felipe Quiroz Uteau | Chile | 4:25.14 | NR |
| 33 | 3 | 1 | Yeziel Morales Miranda | Puerto Rico | 4:25.79 | |
| 34 | 2 | 1 | Lin Sizhuang | Macau | 4:28.91 | NR |
| 35 | 1 | 1 | Akaki Vashakidze | Georgia | 4:30.97 | |
| 36 | 1 | 4 | Alberto Batungbacal | Philippines | 4:32.74 | |
| 37 | 2 | 0 | Brandon Schuster | Samoa | 4:32.78 | NR |
| 38 | 2 | 8 | Colin Bensadon | Gibraltar | 4:35.97 | NR |
| 39 | 1 | 5 | Russell Brown | Costa Rica | 4:42.45 | |
| 40 | 1 | 3 | Carlos Vasquez | Honduras | 5:02.23 | NR |
| | 1 | 6 | Tommy Imazu | Guam | | DSQ |
| | 2 | 9 | Brandon Vives | Dominican Republic | | DSQ |
| | 4 | 6 | Daniil Pasynkov | Russia | | DSQ |
| | 2 | 6 | Lâm Quang Nhật | Vietnam | | DNS |
| | 3 | 6 | Pang Sheng Jun | Singapore | | DNS |
| | 4 | 5 | Philip Heintz | Germany | | DNS |
| | 5 | 1 | Wang Shun | China | | DNS |

### Final

The final was held at 19:50.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 7 | Daiya Seto | Japan | 3:59.24 | |
| | 4 | Max Litchfield | Great Britain | 4:00.66 | NR |
| | 5 | Dávid Verrasztó | Hungary | 4:01.56 | |
| 4 | 3 | Josh Prenot | United States | 4:01.94 | |
| 5 | 8 | Mark Szaranek | Great Britain | 4:04.57 | |
| 6 | 2 | Gergely Gyurta | Hungary | 4:04.89 | |
| 7 | 1 | Takeharu Fujimori | Japan | 4:04.90 | |
| 8 | 6 | Abrahm DeVine | United States | 4:06.02 | |