1973 European Athletics Indoor Championships – Women's 400 metres

Held on 10 March.

First 2 from each heat (Q) qualified directly for the semifinals.

Rank	Heat	Name	Nationality	Time	Notes
1	1	Verona Bernard	Great Britain	53.98	Q
2	1	Renate Siebach	East Germany	54.30	Q
2	2	Christel Frese	West Germany	54.30	Q
4	1	Karoline Käfer	Austria	54.31	NR
5	2	Lilyana Todorova	Bulgaria	54.56	Q
6	1	Chantal Leclerc	France	54.69
7	3	Erika Weinstein	West Germany	54.76	Q
8	4	Danuta Piecyk	Poland	55.14	Q
9	2	Nicole Duclos	France	55.17
10	4	Waltraud Dietsch	East Germany	55.28	Q
11	3	Chantal Jouvhomme	France	55.65	Q
12	2	Lea Alaerts	Belgium	55.75
13	4	Josefina Salgado	Spain	56.04	NR
14	3	Nina Zyuskova	Soviet Union	56.32

Held on 11 March.

First 2 from each heat (Q) qualified directly for the final.

Rank	Heat	Name	Nationality	Time	Notes
1	1	Verona Bernard	Great Britain	53.35	Q
2	1	Waltraud Dietsch	East Germany	53.44	Q
3	1	Erika Weinstein	West Germany	54.23
4	1	Lilyana Todorova	Bulgaria	54.26
5	2	Renate Siebach	East Germany	54.52	Q
6	2	Christel Frese	West Germany	54.71	Q
7	2	Danuta Piecyk	Poland	54.87
8	2	Chantal Jouvhomme	France	55.09

Held on 11 March.

Rank	Name	Nationality	Time	Notes
	Verona Bernard	Great Britain	53.04	WB
	Waltraud Dietsch	East Germany	53.35
	Renate Siebach	East Germany	53.49
4	Christel Frese	West Germany	53.78