| Men's 200 metre individual medley at the 2025 SEA Games | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Venue | SAT Swimming Pool | |||||||||
| Date | 10 December | |||||||||
| Competitors | 10 from 7 nations | |||||||||
| Winning time | 2:02.11 | |||||||||
| Medalists | ||||||||||
| ||||||||||
The men's 200 metre individual medley event at the 2025 SEA Games took place on 10 December 2025 at the SAT Swimming Pool in Bangkok, Thailand.
All times are Indochina Standard Time (UTC+07:00)
| Date | Time | Event |
|---|---|---|
| Wednesday, 10 December 2025 | 9:00 | Heats |
| 18:00 | Final |
Prior to this competition, the existing world, Asian, and Southeast Asian Games records were as follows.
| World Record |  Léon Marchand (FRA) | 1:52.69 | Singapore, Singapore | 30 July 2025 |
| Asian Record |  Wang Shun (CHN) | 1:54.62 | Hangzhou, China | 24 September 2023 |
| Games Record |  Joseph Schooling (SGP) | 2:00.66 | Singapore, Singapore | 10 June 2015 |
| Rank | Heat | Lane | Swimmer | Nationality | Time | Notes |
|---|---|---|---|---|---|---|
| 1 | 2 | 6 | Nicholas Subagyo |  Indonesia | 2:07.47 | Q |
| 2 | 2 | 3 | Gian Santos |  Philippines | 2:07.56 | Q |
| 3 | 2 | 4 | Trần Hưng Nguyên |  Vietnam | 2:07.82 | Q |
| 4 | 1 | 4 | Zackery Tay | Singapore | 2:08.21 | Q |
| 4 | 2 | 5 | Nguyễn Quang Thuấn | Vietnam | 2:08.21 | Q |
| 6 | 1 | 5 | Tan Khai Xin |  Malaysia | 2:08.60 | Q |
| 7 | 1 | 6 | Liquor Andoko | Indonesia | 2:09.58 | Q |
| 8 | 1 | 3 | Maximillian Ang | Singapore | 2:09.85 | Q |
| 9 | 2 | 2 | Peerapat Settheechaichana |  Thailand | 2:10.63 | R |
| 10 | 1 | 2 | Han Paing Htoo |  Myanmar | 2:28.70 | R |
| Rank | Lane | Swimmer | Nationality | Time | Notes |
|---|---|---|---|---|---|
 | 3 | Trần Hưng Nguyên | Vietnam | 2:02.11 | |
 | 5 | Gian Santos | Philippines | 2:03.88 | |
 | 2 | Nguyễn Quang Thuấn | Vietnam | 2:04.19 | |
| 4 | 7 | Tan Khai Xin | Malaysia | 2:05.38 | |
| 5 | 8 | Maximillian Ang | Singapore | 2:05.89 | |
| 6 | 4 | Nicholas Subagyo | Indonesia | 2:06.71 | |
| 7 | 6 | Zackery Tay | Singapore | 2:06.88 | |
| 8 | 1 | Liquor Andoko | Indonesia | 2:09.88 |