The women's 20 kilometres walk event at the 2007 Pan American Games in Rio de Janeiro was held on July 22.
Results edit
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 |
Cristina López |  El Salvador |
1:38:59 | |
 |
Miriam Ramón |  Ecuador |
1:40:03 | |
 |
María Esther Sánchez |  Mexico |
1:41:47 | |
| 4 | Tânia Spindler |  Brazil |
1:42:15 | |
| 5 | Rosario Sánchez | Mexico |
1:42:47 | |
| 6 | Sandra Zapata |  Colombia |
1:43:44 | |
| 7 | Yadira Guamán | Ecuador |
1:46:06 | |
| Cisiane Lopes | Brazil |
DNF | ||
| Glenda Ubeda |  Nicaragua |
DNF | ||
| Verónica Colindres | El Salvador |
DQ | ||
| Geovana Irusta |  Bolivia |
DQ | ||
| Jolene Moore |  United States |
DQ | ||
| Evelin Nuñez |  Guatemala |
DQ | ||
| Leyci Rodríguez |  Cuba |
DQ | ||
| Teresa Vaill | United States |
DQ |