The women's 4 × 400 metres relay at the 1991 IAAF World Indoor Championships was held on 10 March. It was the first time that this event was contested at the World Indoor Championships.
Results edit
| Rank | Nation | Athletes | Time | Notes |
|---|---|---|---|---|
 |
 Germany |
Sandra Seuser, Katrin Schreiter, Annett Hesselbarth, Grit Breuer | 3:27.22 | WR, CR |
 |
 Soviet Union |
Marina Shmonina, Lyudmila Dzhigalova, Margarita Ponomaryova, Aelita Yurchenko | 3:27.95 | NR |
 |
 United States |
Terri Dendy, Lillie Leatherwood, Jearl Miles, Diane Dixon | 3:29.00 | AR |
| 4 |  Spain |
Sandra Myers, Julia Merino, Gregoria Ferrer, Esther Lahoz | 3:31.86 | NR |
| 5 |  France |
Elsa Devassoigne, Marie-Christine Cazier, Evelyne Elien, Viviane Dorsile | 3:34.05 |