| Lane/Order | BIB | ATHLETE | Seeding Time | Note | |
|---|---|---|---|---|---|
| 1 | 319 | SINGAPORE | CAITLIN SHAN WEN NG | 12.76 | q |
| 2 | 911 | VIETNAM | THI THU HA NGUYEN | 12.248 | Q |
| 3 | 401 | THAILAND | CHANTHELL MAURICETTE | 12.08 | Q |
| 4 | 216 | INDONESIA | SHAVA SALVIA WARANGGANI | 12.19 | Q |
| 5 | 402 | THAILAND | PINSIRI RAMPHUENGNIT | 12.36 | Q |
| 6 | 221 | INDONESIA | GIRSHA IMANUELA SAIMIMA | 12.247 | Q |
| 7 | 116 | MALAYSIA | LIM MEI YIN | 12.49 | Q |
| 8 | 117 | MALAYSIA | NOR ALIYA NAJIHAH BINTI MUDA | 12.41 | q |