The men's 50 metre backstroke competition of the swimming event at the 2017 SEA Games was held on 21 August at the National Aquatic Centre in Kuala Lumpur, Malaysia.
| Swimming – Men's 50 metre backstroke at the 2017 SEA Games | ||||||||||
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| Venue | National Aquatic Centre | |||||||||
| Date | 21 August 2017 | |||||||||
| Competitors | 12 from 6 nations | |||||||||
| Medalists | ||||||||||
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Records edit
Prior to this competition, the existing Asian and Games records were as follows:
| Asian Record |  Junya Koga (JPN) |
24.24 | Rome, Italy | 2 August 2009 |
| Games Record |  Quah Zheng Wen (SIN) |
25.20 | Singapore, Singapore | 11 June 2015 |
The following records were established during the competition:
| Date | Event | Name | Nationality | Time | Record |
|---|---|---|---|---|---|
| 21 August | Final | I Gede Siman Sudartawa |  Indonesia (INA) |
25.20 | GR |
Schedule edit
All times are Malaysia Standard Time (UTC+08:00)
| Date | Time | Event |
|---|---|---|
| Monday, 21 August 2017 | 09:00 | Heat 1 |
| 09:00 | Heat 2 | |
| 19:00 | Final |
Results edit
Heats edit
The heats were held on 21 August.
Heat 1 edit
- Source: Heat 1 results
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
| 1 | 7 | Quah Zheng Wen (SGP) |
25.91 | Q |
| 2 | 5 |  Trần Duy Khôi (VIE) |
26.30 | Q |
| 3 | 4 | Francis Fong (SGP) |
26.39 | Q |
| 4 | 3 |  Tern Jian Han (MAS) |
26.62 | Q |
| 5 | 6 |  Cheng Pirort (CAM) |
31.26 | |
| 6 | 2 |  Pathana Inthavong (LAO) |
32.52 |
Heat 2 edit
- Source: Heat 2 results
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
| 1 | 4 | I Gede Siman Sudartawa (INA) |
25.53 | Q |
| 3 | 7 | Lê Nguyễn Paul (VIE) |
25.75 | Q |
| 2 | 5 |  Kasipat Chograthin (THA) |
26.49 | Q |
| 4 | 3 | Ricky Anggawidjaja (INA) |
26.77 | Q |
| 5 | 6 | Jordan Yip (MAS) |
27.61 | |
| 6 | 2 | Lim Keoudom (CAM) |
30.50 |
Final edit
- Source: Final Results
The final was held on 21 August.
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
 |
4 | I Gede Siman Sudartawa (INA) |
25.20 | GR |
 |
3 | Quah Zheng Wen (SGP) |
25.39 | |
 |
5 | Lê Nguyễn Paul (VIE) |
25.82 | |
| 4 | 6 | Trần Duy Khôi (VIE) |
25.90 | |
| 5 | 2 | Francis Fong (SGP) |
26.10 | |
| 6 | 7 | Kasipat Chograthin (THA) |
26.26 | |
| 7 | 1 | Tern Jian Han (MAS) |
26.38 | |
| 8 | 8 | Ricky Anggawidjaja (INA) |
26.49 |