| Mönkhkhairkhan District | |
| Native Name: | Мөнххайрхан сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Mapsize: | 220px |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khovd Province |
| Area Total Km2: | 2,554 |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
Mönkhkhairkhan (Mongolian: Мөнххайрхан) is a sum (district) of Khovd Province in western Mongolia. It is named after Mount Mönkhkhairkhan. The sum is 155 km away from the city of Khovd.[1]