| Event: | Women's 100 metre freestyle |
| Games: | 1959 |
| Venue: | - |
| Dates: | September 1 (preliminaries), September 4 (finals) |
| Win Label: | Winning score |
| Gold: | Chris von Saltza |
| Goldnoc: | USA |
| Silver: | Molly Botkin |
| Silvernoc: | USA |
| Bronze: | Joan Spillane |
| Bronzenoc: | USA |
| Prev: | 1955 |
| Next: | 1963 |
The women's 100 metre freestyle competition of the swimming events at the 1959 Pan American Games took place on 1 September (preliminaries)[1] [2] and 4 September (finals).[3] The last Pan American Games champion was Helen Stewart of Canada.[4] [5] [6] [7] [8]
This race consisted of two lengths of the pool, both lengths being in freestyle.[9]
All times are in minutes and seconds.
The first round was held on September 1.
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 2 | 1:04.2 | Q, GR | |||
| 2 | 2 | 1:05.3 | Q | |||
| 3 | 1 | 1:06.2 | Q | |||
| 4 | 2 | 1:06.3 | Q | |||
| 5 | 1 | 1:07.6 | Q | |||
| 6 | 1 | 1:08.2 | Q | |||
| 7 | 1 | 1:08.5 | Q | |||
| 8 | 2 | 1:09.4 | Q | |||
| - | - | 1:11.6 | ||||
| - | - | 1:11.9 | ||||
| - | - | 1:12.8 |
The final was held on September 4.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1:03.8 | GR | ||||
| 1:05.7 | |||||
| 1:05.8 | |||||
| 4 | 1:06.0 | ||||
| 5 | 1:08.5 | ||||
| 6 | 1:08.8 | ||||
| 6 | 1:08.8 | ||||
| 8 | - | - | - |
