| Men's 1500 metre freestyle at the 2025 SEA Games | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Venue | SAT Swimming Pool | |||||||||
| Date | 12 December | |||||||||
| Competitors | 8 from 5 nations | |||||||||
| Winning time | 15:19.58 | |||||||||
| Medalists | ||||||||||
| ||||||||||
The men's 1500 metre freestyle event at the 2025 SEA Games took place on 12 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 | 18:32 | Final |
Prior to this competition, the existing world, Asian, and Southeast Asian Games records were as follows.
| World Record |  Bobby Finke (USA) | 14:30.67 | Paris, France | 4 August 2024 |
| Asian Record |  Sun Yang (CHN) | 14:31.02 | London, United Kingdom | 4 August 2012 |
| Games Record |  Nguyễn Huy Hoàng (VIE) | 14:58.14 | Capas, Philippines | 5 December 2019 |
| Rank | Lane | Swimmer | Nationality | Time | Notes |
|---|---|---|---|---|---|
 | 4 | Nguyễn Huy Hoàng | Vietnam | 15:19.58 | |
 | 5 | Mai Trần Tuấn Anh | Vietnam | 15:22.59 | |
 | 3 | Russel Pang |  Singapore | 15:28.46 | |
| 4 | 3 | Ratthawit Thammananthachote |  Thailand | 15:45.07 | |
| 5 | 7 | Mochammad Akbar Putra Taufik |  Indonesia | 15:56.57 | |
| 6 | 1 | Nicholas Karel Subagyo | Indonesia | 15:59.60 | |
| 7 | 8 | Khomchan Wichachai | Thailand | 16:02.02 | |
| 8 | 6 | Muhammad Dhuha Zulfikry |  Malaysia | 16:12.55 |