| Breboaia | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Maramureș County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Breb |
| Length: | 11km (07miles) |
| Mouth: | Mara |
| Mouth Location: | Hărnicești |
| Mouth Coordinates: | 47.7752°N 23.881°W |
| Progression: | Mara→ |
| Basin Size: | 27km2 |
| Tributaries Left: | Valea Caselor |
The Breboaia is a right tributary of the Mara in Maramureș County, Romania. It discharges into the Mara in Hărnicești.[1] Its length is 11km (07miles) and its basin size is 27km2.