See main article: Cycling at the 2021 SEA Games.
| Event: | Cycling – Men's cross country |
| Games: | 2021 |
| Venue: | Hoa Binh Gymnastics and Sports Center |
| Dates: | 16 May 2022 |
| Competitors: | 18 |
| Nations: | 7 |
| Gold: | Zaenal Fanani |
| Silver: | Ihza Muhammad |
| Bronze: | Jerico Rivera Cruz |
| Prev: | 2019 |
| Next: | 2023 |
The men's cross country mountain biking cycling event at the 2021 SEA Games took place on 16 May 2022, at the Hoa Binh Gymnastics and Sports Center in Hòa Bình. 18 riders from 7 different nations competed in the event.
| width=20 | Rank! | width=200 | Rider ! | Nationality | Time |
|---|---|---|---|---|---|
| Zaenal Fanani[1] | 1:16:41.00 | ||||
| Ihza Muhammad | 1:19:14.00 | ||||
| Jerico Rivera Cruz | 1:20:04.00 | ||||
| 4 | Keerati Sukprasart | 1:20:17.00 | |||
| 5 | Chhan Chhayfong | 1:21:24.00 | |||
| 6 | Huot Loyraksmey | 1:22:32.00 | |||
| 7 | Edmhel John Flores Rivera | 1:24:04.00 | |||
| 8 | Ahmad Syazrin Awang Ilah | 1:24:74.00 | |||
| 9 | Seyha Sang | 1:25:05.00 | |||
| 10 | Adisak Tailangkha | 1:27:01.00 | |||
| 11 | Mark Louwel Valderama Antonio | 1:27:20.00 | |||
| 12 | Muaz Abd Rahim | 1:27:27.00 | |||
| 13 | Văn Hiếu Bùi | 1:27:30.00 | |||
| 14 | Riyadh Hakim Lukman | 1:27:41.00 | |||
| 15 | Phunsiri Sirimongkhon | 1:31:31.00 | |||
| 16 | Minh Gia Bao Vo | 1:31:32.00 | |||
| 17 | Hữu Sang Nguyễn | 1:33:24.00 | |||
| - | Zulfikri | No Result |