| Ömnödelger District | |
| Native Name: | Өмнөдэлгэр сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khentii Province |
| Area Total Km2: | 10,877 |
| Timezone: | UTC + 8 |
| Utc Offset: | +8 |
Ömnödelger (Mongolian: Өмнөдэлгэр, Front wide) is a sum (district) of Khentii Province in north-eastern Mongolia. The former location of the sum's center is at 47 53 N 109 55 E. The town of Gurvanbayan is 52 km northeast of the sum center's current location. In 2010, its population was 5,156.[1]