| Ömnögovi District | |
| Native Name: | Өмнөговь сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Pushpin Map: | Mongolia |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Uvs Province |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
| Coordinates: | 49.1064°N 91.7186°W |
Ömnögovi (Mongolian: Өмнөговь|translit=Ömnögowĭ) is a sum (district) of Uvs Province in western Mongolia.
Part of the sum is desert, that has sand dunes.
Ömnögovi has a semi-arid climate (Köppen climate classification BSk) with warm summers and severely cold winters. The average minimum temperature in January is -28.3°C, and temperatures as low as -45.5°C have been recorded. Most precipitation falls in the summer as rain, with some snow in the adjacent months of May and September. Winters are very dry.