| Official Name: | Omhajer |
| Native Name: | أم هاجر |
| Settlement Type: | Town |
| Pushpin Map: | Eritrea |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in Eritrea |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name: | Eritrea |
| Subdivision Name1: | Gash Barka |
| Subdivision Type2: | Subregion |
| Subdivision Name2: | Omhajer |
| Coordinates: | 14.3247°N 36.6553°W |
Omhajer (Arabic: أم هاجر) is a town in Eritrea. It is the center of the Omhajer Subregion.