| Ploștini | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Alba County |
| Length: | 6km (04miles) |
| Source1: | Bihor Mountains |
| Source1 Coordinates: | 46.5461°N 22.9528°W |
| Source1 Elevation: | 1298m (4,259feet) |
| Mouth: | Albac |
| Mouth Coordinates: | 46.5072°N 22.9306°W |
| Mouth Elevation: | 752m (2,467feet) |
| Progression: | Albac→ |
| Basin Size: | 21km2 |
| Tributaries Right: | Mătișești |
The Ploștini is a left tributary of the river Albac in Romania. It discharges into the Albac in Horea. Its length is 6km (04miles) and its basin size is 21km2.