Swimming at the 2017 World Aquatics Championships – Women's 200 metre butterfly
The Women's 200 metre butterfly competition at the 2017 World Championships was held on 26 and 27 July 2017.Records
Prior to the competition, the existing world and championship records were as follows.Results
Heats
The heats were held on 26 July at 10:17.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 6 | | | 2:07.25 | Q |
| 2 | 4 | 3 | Zhang Yufei | | 2:07.50 | Q |
| 3 | 4 | 4 | | | 2:07.59 | Q |
| 4 | 4 | 5 | Zhou Yilin | | 2:07.72 | Q |
| 5 | 3 | 3 | | | 2:07.73 | Q |
| 6 | 2 | 2 | An Se-hyeon | | 2:08.06 | Q |
| 6 | 3 | 4 | | | 2:08.06 | Q |
| 8 | 3 | 7 | | | 2:08.84 | Q |
| 8 | 2 | 5 | | | 2:08.84 | Q |
| 10 | 4 | 1 | | | 2:08.86 | Q |
| 11 | 3 | 5 | | | 2:08.98 | Q |
| 12 | 2 | 4 | | | 2:09.10 | Q |
| 13 | 2 | 1 | | | 2:09.12 | Q, |
| 14 | 4 | 2 | | | 2:09.13 | Q |
| 15 | 3 | 6 | | | 2:09.14 | Q |
| 16 | 4 | 7 | | | 2:09.21 | Q |
| 17 | 3 | 2 | | | 2:09.34 | Q |
| 18 | 2 | 7 | Park Su-jin | | 2:09.44 | |
| 19 | 3 | 1 | | | 2:09.77 | |
| 20 | 2 | 6 | | | 2:09.86 | |
| 21 | 2 | 3 | | | 2:10.68 | |
| 22 | 3 | 0 | | | 2:11.34 | |
| 23 | 4 | 9 | | | 2:12.09 | NR |
| 24 | 2 | 0 | | | 2:12.82 | |
| 25 | 2 | 9 | | | 2:12.90 | |
| 26 | 4 | 8 | | | 2:13.65 | |
| 27 | 3 | 8 | | | 2:13.71 | |
| 28 | 3 | 9 | | | 2:13.88 | |
| 29 | 2 | 8 | | | 2:14.98 | |
| 30 | 1 | 4 | | | 2:15.09 | |
| 31 | 4 | 0 | | | 2:15.15 | |
| 32 | 1 | 5 | | | 2:20.58 | |
| 33 | 1 | 3 | | | 2:28.95 | |
| 34 | 1 | 2 | | | 2:32.35 | |
| 35 | 1 | 6 | | | 2:35.11 | |
Semifinals
The semifinals were held on 26 July at 18:25.Semifinal 2
Final
The final was held on 27 July at 18:34.
| Rank | Lane | Name | Nationality | Time | Notes |
| 3 | Mireia Belmonte | | 2:05.26 | |
| 4 | Franziska Hentke | | 2:05.39 | |
| 7 | Katinka Hosszú | | 2:06.02 | |
| 4 | 8 | An Se-hyeon | | 2:06.67 | NR |
| 5 | 2 | Zhang Yufei | | 2:07.06 | |
| 6 | 6 | Suzuka Hasegawa | | 2:07.43 | |
| 7 | 1 | Liliána Szilágyi | | 2:07.58 | |
| 8 | 5 | Zhou Yilin | | 2:07.67 | |
