1991 World Championships in Athletics – Women's 4 × 100 metres relay

These are the official results of the Women's 4 × 100 metres event at the 1991 IAAF World Championships in Tokyo, Japan. Their final was held on Sunday September 1, 1991.

Merlene Frazer, at 17 years 248 days, is, as 2017, the youngest World Champion ever.

Schedule

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

Semifinals

 * Held on Saturday 1991-08-31