The women's 100 metre butterfly event at the 2025 SEA Games took place on 13 December 2025 at the SAT Swimming Pool in Bangkok, Thailand.

Schedule All times are Indochina Standard Time (UTC+07:00) DateTimeEventMonday, 13 December 2025 9:00 Heats 18:00 Final

Records

Results Heats

Rank Heat Lane Swimmer Nationality Time Notes 1 2 4 Quah Jing Wen 1:00.87 Q 2 2 5 Napatsawan Jaritkla 1:01.76 Q 3 1 4 Quah Ting Wen 1:01.98 Q 4 1 3 Lim Shun Qi 1:02.15 Q 5 2 2 Micaela Jasmine Mojdeh 1:02.42 Q 6 2 3 Michelle Surjadi Fang 1:02.61 Q 7 2 6 Miranda Cristina Renner 1:02.65 Q 8 1 2 Shannon Tan Yan Qing 1:03.46 Q 9 1 6 Nadia Aisha Nurazmi 1:03.97 R 10 2 7 Oo Nan Honey 1:05.28 R

Final

Rank Lane Swimmer Nationality Time Notes 3 Quah Ting Wen 59.76 4 Quah Jing Wen 59.77 5 Napatsawan Jaritkla 1:01.57 4 2 Michelle Surjadi Fang 1:01.67 5 6 Lim Shun Qi 1:01.89 6 8 Nadia Aisha Nurazmi 1:02.17 7 7 Miranda Cristina Renner 1:02.61 8 1 Shannon Tan Yan Qing 1:02.96

References