Swimming at the 1963 Pan American Games – Women's 100 metre butterfly
# Swimming at the 1963 Pan American Games – Women's 100 metre butterfly

The women's 100 metre butterfly competition of the swimming events at the 1963 Pan American Games took place on April. The last Pan American Games champion was Becky Collins of US.

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

## 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - |

### Final

The final was held on April.

| Rank | Name | Nationality | Time |
| - | - | - | - |
| | Kathy Ellis | United States | 1:07.6 |
| | Mary Stewart | Canada | 1:08.9 |
| | Kim Worley | United States | 1:11.6 |
| 4 | Silvia Belmar | Mexico | 1:16.8 |
| 5 | Sharon Pierce | Canada | 1:17.0 |
| 6 | Esther Capriles | Venezuela | 1:17.7 |
| 7 | - | - | - |
| 8 | - | - | - |
