Themen's800 metres event at the1991 Summer Universiade was held at theDon Valley Stadium inSheffield on 20, 21 and 22 July 1991.[1][2]
| Gold | Silver | Bronze |
| Giuseppe D'Urso | Curtis Robb Dean Kenneally |
| Rank | Heat | Athlete | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 3 | Reto Gächter | 1:47.73 | Q | |
| 2 | 3 | Dean Kenneally | 1:47.78 | Q | |
| 3 | 1 | Terril Davis | United States | 1:47.81 | Q |
| 4 | 3 | Andrew Lill | 1:47.83 | q | |
| 5 | 3 | Pavel Soukup | 1:47.84 | q | |
| 6 | 1 | Curtis Robb | 1:47.96 | Q | |
| 7 | 1 | Doug Consiglio | 1:48.17 | ||
| 8 | 1 | Andrea Benvenuti | 1:48.19 | ||
| 9 | 1 | Simon Still | 1:48.63 | ||
| 10 | 2 | Tommy Asinga | 1:49.45 | Q | |
| 11 | 3 | Ben Kurgat | 1:49.51 | ||
| 12 | 2 | Giuseppe D'Urso | 1:49.60 | Q | |
| 13 | 1 | Pedro Rocha | 1:49.78 | ||
| 14 | 2 | Ethan Frey | United States | 1:49.97 | |
| 15 | 1 | Kim Bong-yu | 1:50.40 | ||
| 16 | 1 | Tor Öyvind Ödegard | 1:50.74 | ||
| 17 | 2 | Isaac Viciosa | 1:51.06 | ||
| 18 | 2 | Leon Haan | 1:51.09 | ||
| 19 | 3 | Sipho Dlamini | 1:51.56 | ||
| 20 | 2 | Ahmed Abdullah Robleh | 1:52.04 | ||
| 21 | 2 | Zsolt Gyimes | 1:52.07 | ||
| 22 | 3 | Barak Miantoloum | 2:07.78 | ||
| ? | Moulai El-Azzouzi | ? | |||
| ? | Tonny Baltus | ? |
| Rank | Athlete | Nationality | Time | Notes |
|---|---|---|---|---|
| Giuseppe D'Urso | 1:46.82 | |||
| Curtis Robb | 1:46.88 | |||
| Dean Kenneally | 1:46.88 | |||
| 4 | Terril Davis | United States | 1:47.34 | |
| 5 | Pavel Soukup | 1:47.68 | ||
| 6 | Andrew Lill | 1:47.73 | ||
| 7 | Reto Gächter | 1:48.02 | ||
| 8 | Tommy Asinga | 1:48.14 |