The men's 800 metres event at the 1972 European Athletics Indoor Championships was held on 11 and 12 March in Grenoble. [1] [2]
| Gold | Silver | Bronze |
| Jozef Plachý | Ivan Ivanov | Francis Gonzalez |
First 4 from each heat (Q) qualified directly for the final.
Held on 11 March
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 2 | Jozef Plachý | 1:49.92 | Q | |
| 2 | 2 | Manuel Gayoso | 1:50.15 | Q, NR | |
| 3 | 2 | Peter Browne | 1:50.88 | Q | |
| 4 | 2 | Jan Reijnders | 1:50.91 | Q | |
| 5 | 1 | Ivan Ivanov | 1:59.57 | Q | |
| 6 | 1 | Francis Gonzalez | 1:59.83 | Q | |
| 7 | 1 | András Zsinka | 2:00.19 | Q | |
| 8 | 1 | Þorsteinn Þorsteinsson | 2:05.37 | Q | |
| 9 | 1 | Jože Međimurec | 2:12.24 |
Held on 12 March
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Jozef Plachý | 1:48.84 | NR | ||
| Ivan Ivanov | 1:49.05 | |||
| Francis Gonzalez | 1:49.17 | |||
| 4 | András Zsinka | 1:50.62 | ||
| 5 | Peter Browne | 1:51.27 | ||
| 6 | Manuel Gayoso | 1:52.15 | ||
| 7 | Þorsteinn Þorsteinsson | 1:53.26 | NR | |
| Jan Reijnders | DNS |