The final of the Women's Discus Throw event at the 2003 Pan American Games took place on Tuesday August 5, 2003. Defending champion Aretha Hill of the United States once again claimed the title.
Medalists edit
| Gold | Aretha Hill United States
|
| Silver | Anaelys Fernández Cuba
|
| Bronze | Yania Ferrales Cuba
|
Records edit
| World Record |  Gabriele Reinsch (GDR) |
76.80 m | July 9, 1988 | Neubrandenburg, East Germany
|
| Pan Am Record | Maritza Martén (CUB) |
65.58 m | August 10, 1987 | Indianapolis, United States
|
Results edit
| Rank | Athlete | Throws | Final | |||||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | Result | ||
| 1 |  Aretha Hill (USA) |
57.27 | 61.27 | 58.63 | 63.30 | 57.99 | 60.29 | 63.30 m |
| 2 |  Anaelys Fernández (CUB) |
X | 57.89 | 55.68 | 61.26 | 61.25 | 60.19 | 61.26 m |
| 3 | Yania Ferrales (CUB) |
53.59 | 55.22 | 57.20 | 60.03 | 58.44 | 55.15 | 60.03 m |
| 4 | Suzanne Powell (USA) |
59.30 | 59.97 | 60.00 | X | X | X | 60.00 m |
| 5 |  Elisângela Adriano (BRA) |
56.58 | 58.80 | 57.72 | 58.17 | 55.79 | X | 58.80 m |
| 6 |  Luz Dary Castro (COL) |
52.51 | X | 51.02 | X | X | 55.65 | 55.65 m |
| 7 |  Mary Mercedes (DOM) |
X | 44.46 | X | 42.18 | X | X | 44.46 m |
| 8 |  Marianne Berndt (CHI) |
42.45 | X | 41.87 | X | — | — | 42.45 m |