| Type: | commune |
| County: | Brăila |
| Population Total: | auto |
| Mărașu | |
| Coordinates: | 44.85°N 85°W |
Mărașu is a commune located in Brăila County, Muntenia, Romania. It is composed of five villages: Băndoiu, Măgureni, Mărașu, Plopi and Țăcău. It formerly included Nedelcu village, now depopulated.
The Balta Mică a Brăilei Natural Park is partly situated on the administrative territory of the commune.