1989 IAAF World Indoor Championships – Women's 400 metres

The women's 400 metres event at the 1989 IAAF World Indoor Championships was held at the Budapest Sportcsarnok in Budapest on 3 and 4 March.

Heats
The first 2 of each heat (Q) and next 2 fastest (q) qualified for the semifinals.

Semifinals
First 3 of each semifinal (Q) qualified directly for the final.