Swimming at the 2014 Summer Youth Olympics – Girls' 100 metre butterfly
The girls' 100 metre butterfly event in swimming at the 2014 Summer Youth Olympics took place on 21-22 August at the Nanjing Olympic Sports Centre in Nanjing, China.Results
Heats
The heats were held at 10:23.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 4 | Liliána Szilágyi | | 58.91 | Q |
| 2 | 2 | 4 | Zhang Yufei | | 59.13 | Q |
| 3 | 4 | 3 | Claudia Tarzia | | 1:00.08 | Q |
| 4 | 3 | 4 | Brianna Throssell | | 1:00.54 | Q |
| 5 | 4 | 6 | Elise Olsen | | 1:00.63 | Q |
| 6 | 4 | 5 | Charlotte Atkinson | | 1:00.72 | Q |
| 7 | 3 | 5 | Park Jin-young | | 1:00.80 | Q |
| 8 | 2 | 3 | Svenja Stoffel | | 1:01.03 | Q |
| 9 | 2 | 5 | Lucie Svěcená | | 1:01.11 | Q |
| 10 | 2 | 2 | Jurina Shiga | | 1:01.19 | Q |
| 11 | 4 | 7 | Nida Eliz Üstündağ | | 1:01.33 | Q |
| 12 | 2 | 1 | Meghan Small | | 1:01.39 | Q |
| 13 | 2 | 6 | Danielle Hanus | | 1:01.44 | Q |
| 14 | 3 | 3 | Giovanna Diamante | | 1:01.63 | Q |
| 15 | 4 | 2 | Danika Huizinga | | 1:01.75 | Q |
| 16 | 4 | 1 | Claudia Hufnagl | | 1:02.04 | Q |
| 17 | 3 | 2 | Sara Vanleynseele | | 1:02.24 | |
| 18 | 2 | 7 | Camille Wishaupt | | 1:02.66 | |
| 19 | 3 | 7 | Yap Siew Hui | | 1:02.96 | |
| 20 | 3 | 1 | Marina Chan | | 1:03.22 | |
| 21 | 3 | 8 | Jannah Sonnenschein | | 1:03.81 | |
| 22 | 2 | 8 | Mariam Sakr | | 1:04.05 | |
| 23 | 1 | 4 | Elodie Cheong | | 1:04.42 | |
| 24 | 1 | 3 | Natalia Jaspeado | | 1:04.54 | |
| 25 | 4 | 8 | Dorian Taylor | | 1:04.71 | |
| 26 | 1 | 5 | Robyn Lee | | 1:05.69 | |
| 27 | 3 | 6 | Nastja Govejšek | | 1:06.08 | |
| 28 | 1 | 6 | Zabrina Holder | | 1:06.16 | |
| 29 | 1 | 2 | Bobbi Gichard | | 1:06.65 | |
| 30 | 1 | 7 | Dirngulbai Misech | | 1:18.33 | |
Semifinals
The semifinals were held at 18:11.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Liliána Szilágyi | | 58.50 | Q |
| 2 | 1 | 4 | Zhang Yufei | | 58.78 | Q |
| 3 | 1 | 5 | Brianna Throssell | | 59.89 | Q |
| 4 | 2 | 6 | Park Jin-young | | 1:00.02 | Q |
| 5 | 2 | 5 | Claudia Tarzia | | 1:00.26 | Q |
| 6 | 1 | 3 | Charlotte Atkinson | | 1:00.27 | Q |
| 7 | 2 | 2 | Lucie Svěcená | | 1:00.33 | Q |
| 8 | 2 | 3 | Elise Olsen | | 1:00.41 | Q |
| 9 | 1 | 6 | Svenja Stoffel | | 1:00.68 | |
| 10 | 2 | 1 | Giovanna Diamante | | 1:00.77 | |
| 11 | 1 | 2 | Jurina Shiga | | 1:01.30 | |
| 12 | 2 | 7 | Nida Eliz Üstündağ | | 1:01.31 | |
| 13 | 1 | 1 | Danika Huizinga | | 1:01.43 | |
| 14 | 1 | 7 | Meghan Small | | 1:02.13 | |
| 15 | 1 | 8 | Sara Vanleynseele | | 1:02.39 | |
| 16 | 2 | 8 | Claudia Hufnagl | | 1:02.87 | |
Final
The final was held at 18:09.
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Liliána Szilágyi | | 57.67 | |
| 5 | Zhang Yufei | | 57.95 | |
| 3 | Brianna Throssell | | 59.12 | |
| 4 | 2 | Claudia Tarzia | | 59.38 | |
| 5 | 6 | Park Jin-young | | 59.94 | |
| 6 | 1 | Lucie Svěcená | | 1:00.18 | |
| 7 | 8 | Elise Olsen | | 1:00.23 | |
| 8 | 7 | Charlotte Atkinson | | 1:00.61 | |
