The women's 4 x 400 metres relay event at the 2003 IAAF World Indoor Championships was held on March 16.
| Rank | Nation | Competitors | Time | Notes |
|---|---|---|---|---|
|
 Russia
|
Natalya Antyukh, Yuliya Pechenkina, Olesya Zykina, Natalya Nazarova | 3:28.45 | WL |
|
 Jamaica
|
Ronetta Smith, Catherine Scott, Sheryl Morgan, Sandie Richards | 3:31.23 | |
|
 United States
|
Monique Hennagan, Meghan Addy, Brenda Taylor, Mary Wineberg | 3:31.69 | |
| 4 |  Great Britain
|
Jennifer Meadows, Danielle Halsall, Amy Spencer, Catherine Murphy | 3:32.18 | NR |
| 5 |  Ukraine
|
Antonina Yefremova, Tetyana Debela, Nataliya Zhuravlyova-Vdovychenko, Nataliya Makukh | 3:36.18 |