|Sub-Prefecture||Oum Hadjer (أم هاجر)|
|Elevation||1,180 ft (360 m)|
Oum Hadjer (Arabic: أم هاجر) is a small city in Chad, and the capital of Batha Est Department. It straddles the ephemeral Batha River, lies on the main road between Khartoum and N'Djamena, and has a small airport.
The town is served by Oum Hadjer Airport.