| Darkhan District | |
| Native Name: | Дархан сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khentii Province |
| Area Total Km2: | 4,455 |
| Timezone: | UTC + 8 |
| Utc Offset: | +8 |
Darkhan (Mongolian: Дархан) is a sum (district) of Khentii Province in eastern Mongolia. Bor-Öndör city is 43 km S from the sum center. In 2010, its population was 1,549.[1]