| Men's 200 metre backstroke at the 2025 SEA Games | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Venue | SAT Swimming Pool | |||||||||
| Date | 15 December | |||||||||
| Competitors | 10 from 6 nations | |||||||||
| Winning time | 2:00.62 | |||||||||
| Medalists | ||||||||||
| ||||||||||
The men's 200 metre backstroke event at the 2025 SEA Games will take place on 15 December 2025 at the SAT Swimming Pool in Bangkok, Thailand.
All times are Indochina Standard Time (UTC+07:00)
| Date | Time | Event |
|---|---|---|
| Monday, 15 December 2025 | 9:29 | Heats |
| 18:50 | Final |
Prior to this competition, the existing world, Asian, and Southeast Asian Games records were as follows.
| World Record |  Aaron Peirsol (USA) | 1:51.92 | Rome, Italy | 31 July 2009 |
| Asian Record |  Ryosuke Irie (JPN) | 1:52.51 | Rome, Italy | 31 July 2009 |
| Games Record |  Quah Zheng Wen (SGP) | 2:00.06 | Capas, Philippines | 6 December 2019 |
| Rank | Heat | Lane | Swimmer | Nationality | Time | Notes |
|---|---|---|---|---|---|---|
| 1 | 1 | 5 | Farrel Armandio Tangkas |  Indonesia | 2:05.52 | Q |
| 2 | 1 | 4 | Trần Hưng Nguyên |  Vietnam | 2:08.14 | Q |
| 3 | 1 | 6 | Jason Donovan Yusuf | Indonesia | 2:09.00 | Q |
| 4 | 1 | 3 | Ratthawit Thammananthachote |  Thailand | 2:09.15 | Q |
| 5 | 2 | 5 | Zackery Tay | Singapore | 2:09.31 | Q |
| 6 | 2 | 6 | Tonnam Kanteemool | Thailand | 2:09.74 | Q |
| 7 | 2 | 4 | Quah Zheng Wen | Singapore | 2:10.19 | Q |
| 8 | 2 | 3 | Cao Văn Dũng | Vietnam | 2:10.25 | Q |
| 9 | 1 | 2 | Joel Ling Thai Yu |  Brunei | 2:11.41 | R, NR |
| 10 | 2 | 2 | Joran Paul Jamero Orogo |  Philippines | 2:12.36 | R |
| Rank | Lane | Swimmer | Nationality | Time | Notes |
|---|---|---|---|---|---|
 | 1 | Quah Zheng Wen | Singapore | 2:00.62 | |
 | 4 | Farrel Armandio Tangkas | Indonesia | 2:01.63 | |
 | 7 | Tonnam Kanteemool | Thailand | 2:02.89 | |
| 4 | 5 | Trần Hưng Nguyên | Vietnam | 2:03.24 | |
| 5 | 2 | Zackery Tay | Singapore | 2:04.06 | |
| 6 | 8 | Cao Văn Dũng | Vietnam | 2:04.85 | |
| 7 | 6 | Ratthawit Thammananthachote | Thailand | 2:06.37 | |
| 8 | 3 | Jason Donovan Yusuf | Indonesia | 2:07.70 |