1991 IAAF World Indoor Championships – Women's 400 metres

The women's 400 metres event at the 1991 IAAF World Indoor Championships was held on 8, 9 and 10 March.

Medalists edit

Gold	Silver	Bronze
Diane Dixon United States	Sandra Myers Spain	Anita Protti Switzerland

First 2 of each heat (Q) and next 6 fastest (q) qualified for the semifinals.^[1]

Rank	Heat	Name	Nationality	Time	Notes
1	3	Aelita Yurchenko	Soviet Union	52.15	Q
2	3	Noémi Bátori	Hungary	52.60	Q, PB
3	3	Julia Merino	Spain	52.68	q
4	2	Diane Dixon	United States	52.72	Q
5	2	Sandra Myers	Spain	53.01	Q
6	2	Vivienne Spence-Gardner	Jamaica	53.34	q
7	2	Lyudmila Dzhigalova	Soviet Union	53.87	q
8	1	Jearl Miles	United States	53.88	Q
9	1	Katrin Schreiter	Germany	54.00	Q
10	1	Anita Protti	Switzerland	54.01	q
11	1	Iolanda Oanță	Romania	54.26	q
12	2	Rosey Edeh	Canada	54.53	q
13	3	Norfalia Carabalí	Colombia	54.78
14	3	Nezha Bidouane	Morocco	55.69
15	1	Claudia Acerenza	Uruguay	56.57	NR
16	1	Lasnet Nkouka	Republic of the Congo	58.50	NR
	3	Fatima Yusuf	Nigeria	DQ

First 3 of each semifinal (Q) qualified directly for the final.^[2]

Rank	Heat	Name	Nationality	Time	Notes
1	2	Diane Dixon	United States	51.97	Q
2	2	Aelita Yurchenko	Soviet Union	52.14	Q
3	1	Sandra Myers	Spain	52.16	Q
4	2	Anita Protti	Switzerland	52.18	Q, NR
5	1	Jearl Miles	United States	52.43	Q
6	1	Lyudmila Dzhigalova	Soviet Union	52.68	Q
7	1	Vivienne Spence-Gardner	Jamaica	52.84	PB
8	2	Katrin Schreiter	Germany	53.05
9	2	Iolanda Oanță	Romania	53.40
10	2	Julia Merino	Spain	53.51
11	1	Rosey Edeh	Canada	54.51
	1	Noémi Bátori	Hungary	DNF

Rank	Name	Nationality	Time	Notes
	Diane Dixon	United States	50.64	CR, AR
	Sandra Myers	Spain	50.99	NR
	Anita Protti	Switzerland	51.41	NR
4	Aelita Yurchenko	Soviet Union	51.59	PB
5	Jearl Miles	United States	52.00	PB
6	Lyudmila Dzhigalova	Soviet Union	52.19	PB