1998 European Athletics Indoor Championships – Men's 400 metres
The men's 400 metres event at the 1998 European Athletics Indoor Championships was held on 27 February–1 March.Medalists
Results
Heats
First 2 from each heat and the next 2 fastest qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 3 | Ashraf Saber | | 47.16 | Q |
| 2 | 5 | Ruslan Mashchenko | | 47.19 | Q |
| 3 | 1 | Sean Baldock | | 47.26 | Q |
| 4 | 3 | Jan Poděbradský | | 47.38 | Q |
| 5 | 5 | Robert Maćkowiak | | 47.43 | Q |
| 6 | 3 | Bruno Wavelet | | 47.49 | q |
| 7 | 1 | Rafik Elouardi | | 47.51 | Q |
| 8 | 5 | Antonio Andrés | | 47.52 | q |
| 9 | 3 | Paul Slythe | | 47.62 | |
| 10 | 1 | Fred Mango | | 47.67 | |
| 11 | 4 | Emmanuel Front | | 47.68 | Q |
| 12 | 2 | Carlos Silva | | 47.75 | Q |
| 12 | 4 | Andreas Rechbauer | | 47.75 | Q |
| 14 | 2 | Tomasz Czubak | | 47.85 | Q |
| 15 | 4 | Laurent Clerc | | 47.89 | |
| 16 | 3 | Periklis Iakovakis | | 47.99 | |
| 17 | 1 | Boris Gorban | | 48.11 | |
| 18 | 5 | Alex Argudin | | 48.15 | |
| 19 | 1 | Evripides Demosthenous | | 48.16 | |
| 20 | 4 | Panayiotis Sarris | | 48.23 | |
| 21 | 2 | Solomon Wariso | | 48.41 | |
| 22 | 2 | Bjorn Verbeke | | 48.78 | |
| 23 | 2 | Pablo Escribá | | 48.81 | |
| 24 | 4 | Ercan Sunu | | 48.82 | |
| 25 | 5 | Kjell Provost | | 49.05 | |
Semifinals
First 3 from each semifinal qualified directly for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 1 | Ruslan Mashchenko | | 46.24 | Q |
| 2 | 1 | Robert Maćkowiak | | 46.36 | Q |
| 3 | 2 | Ashraf Saber | | 46.48 | Q |
| 4 | 1 | Sean Baldock | | 46.59 | Q |
| 5 | 1 | Bruno Wavelet | | 46.79 | |
| 6 | 2 | Carlos Silva | | 47.42 | Q |
| 7 | 2 | Tomasz Czubak | | 47.43 | Q |
| 8 | 2 | Emmanuel Front | | 47.61 | |
| 9 | 2 | Rafik Elouardi | | 47.64 | |
| 10 | 2 | Antonio Andrés | | 47.66 | |
| 11 | 1 | Andreas Rechbauer | | 48.03 | |
| 1 | Jan Poděbradský | | | |
Final
