Swimming at the 2007 World Aquatics Championships – Women's 100 metre freestyle Preliminaries Preliminaries

| Rank_ | Heat_Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 50 | 11 (5) | Sarah Yasmine Chahed | Tunisia | 00: 58.07 |
| 51 | 11 (8) | Loren Bahamonde | Ecuador | 00: 58.21 |
| 52 | 11 (4) | Hang Yu Sze | Hong Kong | 00: 58.25 |
| 53 | 9 (4) | Madeleine Scerri | Malta | 00: 58.47 |
| 54 | 9 (3) | Carolina Colorado | Colombia | 00: 58.60 |
| 55 | 14 (1) | Heysi Villarreal Navarro | Cuba | 00: 58.61 |
| 56 | 9 (6) | Natasha Moodie | Jamaica | 00: 58.65 |
| 57 | 11 (7) | Anna Stylianou | Cyprus | 00: 58.78 |
| 58 | 10 (6) | Alexia Pamela Benitez Quijada | El Salvador | 00: 58.84 |
| 59 | 10 (2) | Charlotte Johannsen | Denmark | 00: 58.85 |
| 60 | 10 (7) | Chui Bin Mylene Ong | Singapore | 00: 59.01 |
| 61 | 10 (3) | Ximena Vilar | Venezuela | 00: 59.10 |