Swimming at the 2003 Pan American Games – Women's 100 metre butterfly
# Swimming at the 2003 Pan American Games – Women's 100 metre butterfly

The Women's 100m Butterfly event at the 2003 Pan American Games took place on August 15, 2003 (Day 15 of the Games).

## Medalists

| Gold | Bethany Goodwin United States |
| - | - |
| Silver | Audrey Lacroix Canada |
| Bronze | Dana Kirk United States |

## Records

| World Record | Inge de Bruijn (NED) | 56.61 | 2000-09-17 | Sydney, Australia |
| - | - | - | - | - |
| Pan Am Record | Karen Campbell (USA) | 59.70 | 1999-08-05 | Winnipeg, Canada |

## Results

| Place | Swimmer | Heats | Heats | Final |
| - | - | - | - | - |
| Place | Swimmer | Time | Rank | Time |
| 1 | Bethany Goodwin (USA) | 1:00.31 | 2 | 59.97 |
| 2 | Audrey Lacroix (CAN) | 1:00.08 | 1 | 1:00.18 |
| 3 | Dana Kirk (USA) | 1:00.69 | 3 | 1:00.51 |
| 4 | Elizabeth Collins (CAN) | 1:03.26 | 5 | 1:02.76 |
| 5 | Ivi Monteiro (BRA) | 1:02.36 | 4 | 1:02.90 |
| 6 | María Rodríguez (VEN) | 1:03.79 | 6 | 1:03.01 |
| 7 | Atenas Lopez (MEX) | 1:04.03 | 8 | 1:03.68 |
| 8 | Tamara Swaby (JAM) | 1:03.95 | 7 | 1:03.95 |
| 9 | Paola España (MEX) | 1:04.15 | 10 | 1:03.97 |
| 10 | Marcella Amar (BRA) | 1:05.24 | 12 | 1:04.65 |
| 11 | Vanessa Duenas (COL) | 1:04.11 | 9 | 1:04.93 |
| 12 | Sharntelle McLean (TRI) | 1:04.59 | 11 | 1:05.00 |
| 13 | Yamile Bahamonde (ECU) | 1:05.41 | 13 | 1:05.13 |
| 14 | Heather Roffey (CAY) | 1:05.99 | 14 | 1:06.33 |
| 15 | Vanessa Martínez (PUR) | 1:06.35 | 15 | 1:06.71 |
| 16 | Priscila Zacarias (DOM) | 1:07.06 | 16 | 1:07.23 |
| 17 | Geraldine Arce (NCA) | 1:08.33 | 17 |
| 18 | Alicia García (PER) | 1:08.56 | 18 |
| 19 | April Knowles (BAH) | 1:11.05 | 19 |
