The women's 4 × 400 metres relay event at the 1991 Pan American Games was held in Havana, Cuba on 11 August.[1][2]
Results edit
| Rank | Nation | Athletes | Time | Notes |
|---|---|---|---|---|
 |
 United States |
Natasha Kaiser, Tasha Downing, Maicel Malone, Jearl Miles | 3:24.21 | |
 |
 Cuba |
Julia Duporty, Odalmis Limonta, Nancy McLeón, Ana Fidelia Quirot | 3:24.91 | |
 |
 Jamaica |
Vivienne Spence-Gardner, Cathy Rattray-Williams, Sandie Richards, Inez Turner | 3:28.33 | |
| 4 |  Colombia |
Ángela Mancilla, Norfalia Carabalí, Maribelcy Peña, Ximena Restrepo | 3:31.39 | NR[3] |
| 5 |  Canada |
Camille Noel, Karen Clarke, Janette Wood, Cheryl Allen | 3:34.07 | |
| 6 |  Uruguay |
Inés Justet, Soledad Acerenza, Estela Abel, Claudia Acerenza | 3:50.93 | [4] |