| Khasagt Khairkhan | |
| Elevation M: | 3578 |
| Elevation Ref: | [1] |
| Prominence M: | 1749 |
| Prominence Ref: | [2] |
| Listing: | Ultra |
| Map: | Mongolia |
| Map Size: | 300 |
| Label Position: | right |
| Location: | Mongolia |
| Range: | Gobi-Altai Mountains |
| Coordinates: | 46.7892°N 95.8008°W |
| Coordinates Ref: | [3] |
Khasagt Khairkhan (Mongolian: Хасагт хайрхан) is a mountain of the Gobi-Altai Mountains and located in the Govi-Altai Province in Mongolia. It has elevation of 3,578 metres (11,739 ft).