Swimming at the 1959 Pan American Games – Women's 100 metre backstroke
# Swimming at the 1959 Pan American Games – Women's 100 metre backstroke

The women's 100 metre backstroke competition of the swimming events at the 1959 Pan American Games took place on 5 September (preliminaries) and 6 September (final). The last Pan American Games champion was Leonore Fisher of Canada.

This race consisted of two lengths of the pool, all in backstroke.

## Results

All times are in minutes and seconds.

| KEY: | q | Fastest non-qualifiers | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |
| - | - | - | - | - | - | - | - | - | - | - | - | - |

### Heats

The first round was held on September 5.

| Rank | Heat | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | - | Sara Barber | Canada | 1:12.7 | Q, GR |
| - | - | - | - | - | Q |
| - | - | - | - | - | Q |
| - | - | - | - | - | Q |
| - | - | - | - | - | Q |
| - | - | - | - | - | Q |
| - | - | - | - | - | Q |
| - | - | - | - | - | Q |

### Final

The final was held on September 6.

| Rank | Name | Nationality | Time | Notes |
| - | - | - | - | - |
| | Carin Cone | United States | 1:12.2 | GR |
| | Sara Barber | Canada | 1:12.3 | |
| | Christine Kluter | United States | 1:12.4 | |
| 4 | Lynn Burke | United States | 1:13.8 | |
| 5 | Lynn Scott | Canada | 1:17.1 | |
| 6 | Dulce Okayama | Brazil | 1:22.9 | |
| 6 | - | - | - | |
| 8 | - | - | - | |
