| Event: | Men's 800 metre freestyle |
| Games: | 2015 Summer Universiade |
| Venue: | Nambu University International Aquatics Center |
| Competitors: | 23 |
| Nations: | 16 |
| Win Value: | 7:50.28 |
| Gold: | Sergii Frolov |
| Goldnoc: | UKR |
| Silver: | Jay Steven John Lelliott |
| Silvernoc: | GBR |
| Bronze: | Ayatsugu Hirai |
| Bronzenoc: | JPN |
| Prev: | 2013 |
| Next: | 2017 |
The men's 800 metre swimming competition at the 2015 Summer Universiade in Gwangju was held on 4–5 July at the Nambu University International Aquatics Center.[1]
All times are Korea Standard Time
| width=220 | Date | width=50 | Time | width=100 | Event |
|---|---|---|---|---|---|
| Saturday, 4 July 2015 | 08:30 | Heat 1 | |||
| 08:39 | Heat 2 | ||||
| 08:45 | Heat 3 | ||||
| Sunday, 5 July 2015 | 19:00 | Final |
| Rank | Heat | Lane | Athlete | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 3 | 6 | 7:55.81 | Q | ||
| 2 | 2 | 7 | 7:59.06 | Q | ||
| 3 | 2 | 4 | 7:59.88 | Q | ||
| 4 | 2 | 5 | 8:00.69 | Q | ||
| 5 | 3 | 7 | 8:00.93 | Q | ||
| 6 | 3 | 2 | 8:01.21 | Q | ||
| 7 | 3 | 4 | 8:01.3 | Q | ||
| 8 | 2 | 3 | 8:03.69 | Q | ||
| 9 | 2 | 2 | 8:03.98 | |||
| 10 | 3 | 3 | 8:04.02 | |||
| 11 | 3 | 1 | 8:06.34 | |||
| 12 | 3 | 5 | 8:07.5 | |||
| 13 | 2 | 1 | 8:08.61 | |||
| 14 | 2 | 8 | 8:11.19 | |||
| 15 | 2 | 6 | 8:12.13 | |||
| 16 | 3 | 8 | 8:15.33 | |||
| 17 | 1 | 7 | 8:35.37 | |||
| 18 | 1 | 5 | 8:42.98 | |||
| 19 | 1 | 4 | 8:43.48 | |||
| 20 | 1 | 2 | 9:22.14 | |||
| 21 | 1 | 3 | 9:41.26 | |||
| 22 | 1 | 6 | 9:45.94 | |||
| 23 | 1 | 1 | 13:20.23 |
| Rank | Lane | Athlete | Time | Notes | |
|---|---|---|---|---|---|
| 3 | 7:50.28 | ||||
| 4 | 7:50.97 | ||||
| 6 | 7:52.77 | ||||
| 4 | 5 | 7:56.53 | |||
| 5 | 7 | 7:57.76 | |||
| 6 | 8 | 7:57.84 | |||
| 7 | 2 | 7:59.09 | |||
| 8 | 1 | 8:10.40 |