| Type: | commune |
| County: | Caraș-Severin |
| Obreja | |
| Leader Name: | Ion Peia |
| Leader Party: | PSD |
| Leader Term: | 2020 - 2024 |
| Established Date: | 1547[1] |
| Coordinates: | 45.4667°N 37°W |
| Elevation: | 205 |
| Area Total: | 126.33 |
| Population Total: | auto |
| Postal Code: | 327285 |
| Area Code: | +(40) x55 |
Obreja (hu|Obrézsa) is a commune in Caraș-Severin County, western Romania with a population of 3,239 as of 2021. It is composed of four villages: Ciuta (Csuta), Iaz (Jász), Obreja, and Var (Vár). It is situated in the historical region of Banat.
The commune is located in the northern part of the county, on the border with Timiș County. It is crossed by national road, which connects it to the municipality of Caransebeș, to the south, and the town of Oțelu Roșu, 9 km to the northeast.