| Event: | Swimming – Women's 200 metre butterfly |
| Games: | 2017 |
| Venue: | National Aquatic Centre |
| Date: | 21 August 2017 |
| Competitors: | 10 |
| Nations: | 6 |
| Gold: | Quah Jing Wen |
| Goldseagf: | SGP |
| Silver: | Lê Thị Mỹ Thảo |
| Silverseagf: | VIE |
| Bronze: | Patarawadee Kittiya |
| Bronzeseagf: | THA |
| Prev: | 2015 |
| Next: | 2019 |
See main article: Swimming at the 2017 SEA Games.
The women's 200 metre butterfly competition of the swimming event at the 2017 SEA Games was held on 21 August at the National Aquatic Centre in Kuala Lumpur, Malaysia.
All times are Malaysia Standard Time
| Date | Time | Event |
|---|---|---|
| Monday, 21 August 2017 | 09:05 | Heat 1 |
| 09:05 | Heat 2 | |
| 19:05 | Final |
The heats were held on 21 August.
| width=40 | Rank | width=40 | Lane | width=250 | Athletes | width=80 | Time | width=50 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 02:14.30 | Q | ||||||
| 2 | 2 | 02:15.10 | Q | ||||||
| 3 | 3 | 02:19.37 | Q | ||||||
| 4 | 5 | 02:22.71 | Q | ||||||
| 5 | 6 | 02:29.37 |
| width=40 | Rank | width=40 | Lane | width=250 | Athletes | width=80 | Time | width=50 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 02:15.42 | Q | ||||||
| 3 | 4 | 02:15.79 | Q | ||||||
| 2 | 3 | 02:16.35 | Q | ||||||
| 4 | 5 | 02:17.04 | Q | ||||||
| 5 | 6 | 02:24.32 |
The final was held on 21 August.
| width=40 | Rank | width=40 | Lane | width=250 | Athletes | width=80 | Time | width=50 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 4 | 02:12.03 | ||||||||
| 3 | 02:14.52 | ||||||||
| 6 | 02:15.05 | ||||||||
| 4 | 5 | 02:16.61 | |||||||
| 5 | 7 | 02:17.22 | |||||||
| 6 | 2 | 02:17.49 | |||||||
| 7 | 1 | 02:18.69 | |||||||
| 8 | 8 | 02:22.76 |