1972 European Athletics Indoor Championships – Men's 400 metres

The men's 400 metres event at the 1972 European Athletics Indoor Championships was held on 11 and 12 March in Grenoble.

Heats
First 2 from each heat (Q) and the next 2 fastest (q) qualified for the semifinals.

Held on 11 March

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

Held on 11 March

Final
Held on 12 March