| Khongor District | |
| Native Name: | Хонгор сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Darkhan-Uul Province |
| Area Total Km2: | 2,533 |
| Timezone: | UTC + 8 |
| Utc Offset: | +8 |
| Blank Name: | Climate |
| Blank Info: | Dwb |
Khongor (Mongolian: Хонгор, soft or sweetheart) is a sum (district) of Darkhan-Uul Province in northern Mongolia. The sum center has railway station on the Ulan-Ude - Ulan Bator - Beijing line. The most important railway station is 13 km south of the sum center, where at Salkhit settlement Salkhit - Erdenet line starts.
In 2007, Khongor was the scene of an apparently massive contamination case that involved sodium cyanide and mercury compounds, materials used for small-scale gold mining. The case aroused considerable attention in the national media, and it was even discussed to relocate the settlement.[1] [2]
On 24 July 1999, Khongor recorded a temperature of, which is the highest temperature that has ever been recorded in Mongolia.[3]