| Khairkhan District | |
| Native Name: | Mongolian: Хайрхан сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Mapsize: | 300px |
| Mapsize1: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Arkhangai Province |
| Area Total Km2: | 2,500 |
| Timezone: | UTC + 8 |
| Utc Offset: | +8 |
Khairkhan (Mongolian: Хайрхан|Hairhan; "mountain") is a sum (district) of Arkhangai Province in central Mongolia. In 2009, its population was 3,656.[1]