| 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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| ← 20152019 → | ||||||||||
| Swimming at the 2017 SEA Games | ||
|---|---|---|
| ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | women | |
| 1500 m | men | |
| Backstroke | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | women |
| Medley relay | ||
| 4×100 m | men | women |
| Marathon | ||
| 10 km | men | women |
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.
Records
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
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
Heats
The heats were held on 21 August.
Heat 1
- 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
- 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
- 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 |