1991 World Championships in Athletics – Women's 4 × 400 metres relay

These are the official results of the Women's 4 × 400 metres event at the 1991 IAAF World Championships in Tokyo, Japan. Their final was held on Sunday September 1, 1991.

Schedule

 * All times are Japan Standard Time (UTC+9)

Heats

 * Held on Saturday 1991-08-31