The men's 400 metres event at the 1973 European Athletics Indoor Championships was held on 10 and 11 March in Rotterdam. [1] [2]
| Gold | Silver | Bronze |
| Luciano Sušanj | Benno Stops | Dariusz Podobas |
Held on 10 March.
First 2 from each heat (Q) qualified directly for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Luciano Sušanj | 46.83 | Q | |
| 2 | 4 | Dariusz Podobas | 47.55 | Q | |
| 3 | 4 | Michael Fredriksson | 47.70 | ||
| 4 | 1 | Falko Geiger | 47.88 | Q | |
| 5 | 1 | Benno Stops | 48.06 | Q | |
| 6 | 2 | Hermann Köhler | 48.19 | Q | |
| 7 | 3 | Gerd Pollakowski | 48.20 | Q | |
| 8 | 3 | Ulrich Reich | 48.28 | Q | |
| 9 | 1 | Jan Balachowski | 48.31 | ||
| 10 | 3 | Patrick Salvador | 48.33 | ||
| 11 | 2 | Manuel Soriano | 48.41 | Q | |
| 12 | 2 | Jim Aukett | 48.47 | ||
| 13 | 3 | Miroslav Tulis | 48.48 | ||
| 14 | 4 | Bjarni Stefánsson | 48.73 | NR | |
| 15 | 2 | Khadzhi Rakhmanov | 48.74 | ||
| 16 | 1 | Lucien Sainte-Rose | 48.80 |
Held on 10 March.
First 2 from each heat (Q) qualified directly for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 1 | Luciano Sušanj | 46.73 | Q | |
| 2 | 1 | Benno Stops | 47.28 | Q | |
| 3 | 2 | Dariusz Podobas | 47.55 | Q | |
| 4 | 1 | Ulrich Reich | 47.62 | ||
| 5 | 2 | Gerd Pollakowski | 47.75 | Q | |
| 6 | 2 | Falko Geiger | 47.84 | ||
| 7 | 2 | Manuel Soriano | 48.01 | ||
| 1 | Hermann Köhler | DNS |
Held on 11 March.
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Luciano Sušanj | 46.38 | WB | ||
| Benno Stops | 47.31 | |||
| Dariusz Podobas | 47.40 | |||
| 4 | Gerd Pollakowski | 48.28 |