| Tsogt-Ovoo District | |
| Native Name: | Цогт-Овоо сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Pushpin Map: | Mongolia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ömnögovi Province |
| Area Total Km2: | 6,526 |
| Timezone: | UTC + 8 |
| Utc Offset: | +8 |
| Coordinates: | 44.4225°N 105.3214°W |
Tsogt-Ovoo (Mongolian: Цогт-Овоо, mighty Ovoo) is a sum (district) of Ömnögovi Province in southern Mongolia. As of 2009 the population of the sum was 1,666, including 619 in the sum center. The area of the sum is and its population density is 0.26 people/km².[1]
Tsogt-Ovoo has a cold desert climate (Köppen climate classification BWk) with very warm summers and very cold winters. Most precipitation falls in the summer as rain. Winters are very dry.
