| Event: | Men's marathon swimming |
| Games: | 2022 Asian Games |
| Venue: | Chun'an Jieshou Sports Centre Swimming Course |
| Date: | 7 October 2023 |
| Competitors: | 16 |
| Nations: | 9 |
| Gold: | Zhang Ziyang |
| Goldnoc: | CHN |
| Silver: | Lan Tianchen |
| Silvernoc: | CHN |
| Bronze: | Park Jae-hun |
| Bronzenoc: | KOR |
See main article: Marathon swimming at the 2022 Asian Games.
The Men's marathon swimming event at the 2022 Asian Games was held in Chun'an Jieshou Sports Centre Swimming Course, Qiandaohu, Hangzhou on 30 September.
All times are China Standard Time
| width=220 | Date | width=50 | Time | width=100 | Event |
|---|---|---|---|---|---|
| Saturday, 7 October 2023 | 08:30 | Final |
| width=40 | Rank | width=250 | Athlete | width=60 | Time |
|---|---|---|---|---|---|
| 1:55:45.8 | |||||
| 1:55:46.2 | |||||
| 1:56:00.3 | |||||
| 4 | 1:56:09.7 | ||||
| 5 | 1:56:09.8 | ||||
| 6 | 1:58:20.6 | ||||
| 7 | 1:59:06.4 | ||||
| 8 | 2:00:53.4 | ||||
| 9 | 2:02:20.5 | ||||
| 10 | 2:02:22.0 | ||||
| 11 | 2:02:22.2 | ||||
| 12 | 2:02:37.0 | ||||
| 13 | 2:04:40.7 | ||||
| 14 | 2:04:40.8 | ||||
| 15 | 2:06:50.4 | ||||
| DSQ |