# Swimming at the 2023 World Aquatics Championships – Men's 200 metre individual medley

The men's 200 metre individual medley competition at the 2023 World Aquatics Championships was held on 26 and 27 July 2023.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Ryan Lochte (USA) | 1:54.00 | Shanghai, China | 28 July 2011 |
| Competition record | Ryan Lochte (USA) | 1:54.00 | Shanghai, China | 28 July 2011 |

## Results
### Heats

The heats were started on 26 July at 11:17.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 5 | Duncan Scott | Great Britain | 1:57.76 | Q |
| 2 | 4 | 5 | Daiya Seto | Japan | 1:57.80 | Q |
| 3 | 6 | 6 | So Ogata | Japan | 1:57.88 | Q |
| 4 | 6 | 7 | Jérémy Desplanches | Switzerland | 1:58.00 | Q |
| 5 | 5 | 6 | Lewis Clareburt | New Zealand | 1:58.08 | Q |
| 6 | 6 | 3 | Tom Dean | Great Britain | 1:58.20 | Q |
| 7 | 6 | 5 | Carson Foster | United States | 1:58.24 | Q |
| 8 | 4 | 6 | Thomas Neill | Australia | 1:58.30 | Q |
| 9 | 6 | 4 | Léon Marchand | France | 1:58.38 | Q |
| 10 | 4 | 7 | Hugo González | Spain | 1:58.47 | Q |
| 11 | 5 | 4 | Shaine Casas | United States | 1:58.56 | Q |
| 12 | 4 | 3 | Finlay Knox | Canada | 1:58.64 | Q |
| 13 | 6 | 2 | Alberto Razzetti | Italy | 1:58.74 | Q |
| 14 | 5 | 7 | Gabriel Lopes | Portugal | 1:58.77 | Q |
| 15 | 6 | 1 | Brendon Smith | Australia | 1:59.03 | Q |
| 16 | 4 | 4 | Wang Shun | China | 1:59.05 | Q |
| 17 | 5 | 2 | Ron Polonsky | Israel | 1:59.15 | |
| 18 | 5 | 8 | Andreas Vazaios | Greece | 1:59.72 | |
| 18 | 5 | 9 | Berke Saka | Turkey | 1:59.72 | |
| 20 | 6 | 8 | Gal Cohen Groumi | Israel | 2:00.00 | |
| 21 | 4 | 0 | Wang Hsing-hao | Chinese Taipei | 2:00.01 | |
| 22 | 5 | 0 | Tomas Peribonio | Ecuador | 2:01.14 | |
| 23 | 4 | 1 | Carles Coll | Spain | 2:01.22 | |
| 24 | 3 | 5 | Bernhard Reitshammer | Austria | 2:01.42 | |
| 25 | 4 | 8 | Kim Min-suk | South Korea | 2:01.75 | |
| 26 | 5 | 1 | Ádám Telegdy | Hungary | 2:01.82 | |
| 27 | 3 | 2 | Erick Gordillo | Guatemala | 2:02.64 | |
| 28 | 3 | 0 | Munzer Kabbara | Lebanon | 2:02.99 | NR |
| 29 | 3 | 7 | Kristaps Mikelsons | Latvia | 2:03.38 | |
| 30 | 3 | 4 | Daniil Pancerevas | Lithuania | 2:03.76 | |
| 31 | 6 | 9 | Héctor Ruvalcaba | Mexico | 2:03.87 | |
| 32 | 3 | 3 | Frantisek Jablcnik | Slovakia | 2:03.89 | |
| 33 | 2 | 4 | Bernhard Tyler Christianson | Panama | 2:04.71 | |
| 34 | 4 | 9 | Tan Zachary Ian | Singapore | 2:04.92 | |
| 35 | 6 | 0 | Trần Hưng Nguyên | Vietnam | 2:05.77 | |
| 36 | 3 | 8 | Ronan Wantenaar | Namibia | 2:05.97 | |
| 37 | 3 | 9 | Tan Khai Xin | Malaysia | 2:06.31 | |
| 38 | 3 | 1 | Santiago Corredor | Colombia | 2:06.37 | |
| 39 | 2 | 2 | Esteban Nuñez del Prado | Bolivia | 2:06.60 | |
| 40 | 2 | 5 | Jarod Arroyo | Puerto Rico | 2:06.67 | |
| 41 | 2 | 3 | Simon Bachmann | Seychelles | 2:08.50 | |
| 42 | 2 | 6 | Zhulian Lavdaniti | Albania | 2:09.32 | |
| 43 | 1 | 3 | Lin Sizhuang | Macau | 2:10.10 | |
| 44 | 2 | 1 | Nikola Ǵuretanoviḱ | North Macedonia | 2:13.17 | |
| 45 | 2 | 7 | Thomas Wareing | Malta | 2:13.80 | |
| 46 | 1 | 5 | Abdul Al-Kulaibi | Oman | 2:20.01 | |
| 47 | 1 | 4 | Hussein Suwaed | Iraq | 2:20.23 | |
| 48 | 2 | 0 | Kinley Lhendup | Bhutan | 2:28.39 | |
| | 2 | 8 | Filipe Gomes | Malawi | Did not start | Did not start |
| | 4 | 2 | Jaouad Syoud | Algeria | Did not start | Did not start |
| | 5 | 3 | Hubert Kós | Hungary | Did not start | Did not start |
| | 3 | 6 | Matheo Mateos | Paraguay | Disqualified | Disqualified |

### Semifinals

The semifinals was held on 26 July at 21:29.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 2 | Léon Marchand | France | 1:56.34 | Q |
| 2 | 2 | 4 | Duncan Scott | Great Britain | 1:56.50 | Q |
| 3 | 2 | 6 | Carson Foster | United States | 1:56.55 | Q |
| 4 | 1 | 2 | Hugo González | Spain | 1:56.58 | Q |
| 5 | 2 | 5 | So Ogata | Japan | 1:57.06 | Q |
| 6 | 1 | 4 | Daiya Seto | Japan | 1:57.15 | Q |
| 7 | 1 | 3 | Tom Dean | Great Britain | 1:57.18 | Q |
| 8 | 2 | 7 | Shaine Casas | United States | 1:57.23 | Q |
| 9 | 2 | 1 | Alberto Razzetti | Italy | 1:57.39 | |
| 10 | 1 | 6 | Thomas Neill | Australia | 1:57.51 | |
| 11 | 1 | 8 | Wang Shun | China | 1:57.97 | |
| 12 | 2 | 3 | Lewis Clareburt | New Zealand | 1:58.01 | |
| 13 | 1 | 7 | Finlay Knox | Canada | 1:58.23 | |
| 14 | 1 | 5 | Jérémy Desplanches | Switzerland | 1:58.29 | |
| 15 | 2 | 8 | Brendon Smith | Australia | 1:59.35 | |
| 16 | 1 | 1 | Gabriel Lopes | Portugal | 2:00.28 | |

### Final

The final was held on 27 July at 21:03.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Léon Marchand | France | 1:54.82 | ER |
| | 5 | Duncan Scott | Great Britain | 1:55.95 | |
| | 1 | Tom Dean | Great Britain | 1:56.07 | |
| 4 | 8 | Shaine Casas | United States | 1:56.35 | |
| 5 | 3 | Carson Foster | United States | 1:56.43 | |
| 6 | 7 | Daiya Seto | Japan | 1:56.70 | |
| 7 | 6 | Hugo González | Spain | 1:57.37 | |
| 8 | 2 | So Ogata | Japan | 1:57.82 | |