The men's 800 metres event at the 1995 Summer Universiade was held on 29–30 August at the Hakatanomori Athletic Stadium in Fukuoka, Japan.[1]
| width=235 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| Hezekiél Sepeng | Andrés Manuel Díaz | Pavel Soukup |
Qualification: First 2 of each heat (Q) and the next 2 fastest (q) qualified for the semifinals.
| Rank | Heat | Athlete | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 2 | 1:48.23 | Q | |||
| 2 | 2 | 1:48.37 | Q | |||
| 3 | 2 | 1:48.41 | q | |||
| 4 | 2 | 1:49.26 | q | |||
| 6 | 4 | 1:49.87 | Q | |||
| 7 | 4 | 1:49.97 | Q | |||
| 8 | 4 | 1:50.08 | ||||
| 9 | 7 | 1:50.79 | Q | |||
| 10 | 7 | 1:50.81 | Q | |||
| 11 | 2 | 1:50.91 | ||||
| 12 | 7 | 1:50.99 | ||||
| 13 | 3 | 1:51.47 | Q | |||
| 14 | 4 | 1:51.94 | ||||
| 15 | 2 | 1:52.20 | ||||
| 16 | 7 | 1:52.25 | ||||
| 17 | 7 | 1:52.42 | ||||
| 18 | 3 | 1:52.57 | Q | |||
| 19 | 6 | 1:52.61 | Q | |||
| 20 | 1 | 1:52.71 | Q | |||
| 21 | 1 | 1:52.82 | Q | |||
| 22 | 3 | 1:52.87 | ||||
| 23 | 1 | 1:52.92 | ||||
| 24 | 6 | 1:53.01 | Q | |||
| 25 | 5 | 1:53.11 | Q | |||
| 26 | 5 | 1:53.20 | Q | |||
| 27 | 5 | 1:53.43 | ||||
| 28 | 5 | 1:53.54 | ||||
| 29 | 4 | 1:53.64 | ||||
| 30 | 4 | 1:54.07 | ||||
| 31 | 1 | 1:54.18 | ||||
| 32 | 5 | 1:54.97 | ||||
| 33 | 3 | 1:55.32 | ||||
| 34 | 6 | 1:55.98 | ||||
| 35 | 2 | 1:56.32 | ||||
| 36 | 1 | 1:56.64 | ||||
| 37 | 3 | 1:57.83 | ||||
| 38 | 5 | 1:57.98 | ||||
| 39 | 3 | 1:58.32 | ||||
| 40 | 5 | 1:59.92 | ||||
| 41 | 3 | 2:00.64 | ||||
| 42 | 7 | 2:03.58 | ||||
| 43 | 4 | 2:03.92 | ||||
| 44 | 1 | 2:06.31 | ||||
| 45 | 1 | 2:11.78 | ||||
| 3 | ||||||
| 6 | ||||||
| 7 | ||||||
| 1 | ||||||
| 6 | ||||||
| 6 |
Qualification: First 4 of each semifinal qualified directly (Q) for the final.
| Rank | Heat | Athlete | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 1 | 1:47.82 | Q | |||
| 2 | 1 | 1:48.13 | Q | |||
| 3 | 1 | 1:48.13 | Q | |||
| 4 | 1 | 1:48.16 | Q | |||
| 5 | 1 | 1:48.19 | ||||
| 6 | 1 | 1:48.23 | ||||
| 7 | 2 | 1:48.86 | Q | |||
| 8 | 2 | 1:49.25 | Q | |||
| 9 | 1 | 1:49.35 | ||||
| 10 | 2 | 1:49.41 | Q | |||
| 11 | 2 | 1:49.56 | Q | |||
| 12 | 2 | 1:50.31 | ||||
| 13 | 2 | 1:50.94 | ||||
| 14 | 2 | 1:51.79 | ||||
| 15 | 1 | 1:52.45 | ||||
| 16 | 2 | 1:53.09 |
| Rank | Athlete | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1:47.87 | |||||
| 1:48.06 | |||||
| 1:48.15 | |||||
| 4 | 1:48.29 | ||||
| 5 | 1:48.31 | ||||
| 6 | 1:48.90 | ||||
| 7 | 1:49.16 | ||||
| 8 | 1:49.41 |