 | This article relies largely or entirely on a single source .(July 2023) |
| Swimming – Women's 100 metre breaststroke at the 2015 SEA Games | ||||||||||
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| Venue | OCBC Aquatic Centre | |||||||||
| Date | 8 June 2015 | |||||||||
| Competitors | 9 from 5 nations | |||||||||
| Medalists | ||||||||||
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The women's 100 metre breaststroke competition of the swimming event at the 2015 SEA Games was held on 8 June at the OCBC Aquatic Centre in Kallang, Singapore. [1]
Prior to this competition, the existing Asian and Games records were as follows:
| Asian Record |  Ji Liping (CHN) | 1:05.32 | Beijing, China | 29 August 2009 |
| Games Record |  Siow Yi Ting (MAS) | 1:09.82 | Vientiane, Laos | 11 December 2009 |
All times are Singapore Standard Time (UTC+08:00)
| Date | Time | Event |
|---|---|---|
| Monday, 8 June 2015 | 09:09 | Heat 1 |
| 09:10 | Heat 2 | |
| 19:48 | Final |
| KEY: | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best | WD | Withdrew | DNF | Did not finish |
The heats were held on 8 June.
Heat 1 was held on 8 June.
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
| 1 | 4 | Phee Jinq En (MAS) | 1:11.91 | Q |
| 2 | 5 |  Phiangkhwan Pawapotako (THA) | 1:12.20 | Q |
| 3 | 3 | Chavunnooch Salubluek (THA) | 1:12.70 | Q |
| 4 | 6 |  Raissa Regatta Gavino (PHI) | 1:15.08 |
Heat 2 was held on 8 June.
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
| 1 | 6 |  Ho Ru'En Roanne (SIN) | 1:12.47 | Q |
| 2 | 5 | Imelda Corazon Wistey (PHI) | 1:13.06 | Q |
| 3 | 2 |  Ananda Treciel V. Evato (INA) | 1:13.07 | Q |
| 4 | 4 | Christina Loh Yen Ling (MAS) | 1:13.32 | Q |
| 5 | 3 | Samantha Louisa Ginn Yeo (SIN) | 1:13.79 | Q |
The final was held on 8 June.
| Rank | Lane | Athletes | Time | Notes |
|---|---|---|---|---|
 | 4 | Phee Jinq En (MAS) | 1:10.47 | |
 | 3 | Ho Ru'En Roanne (SIN) | 1:11.78 | |
 | 8 | Samantha Louisa Ginn Yeo (SIN) | 1:11.87 | |
| 4 | 5 | Phiangkhwan Pawapotako (THA) | 1:11.93 | |
| 5 | 1 | Christina Loh Yen Ling (MAS) | 1:12.16 | |
| 6 | 7 | Ananda Treciel V. Evato (INA) | 1:12.70 | |
| 7 | 6 | Chavunnooch Salubluek (THA) | 1:13.33 | |
| 8 | 2 | Imelda Corazon Wistey (PHI) | 1:13.69 |
