| Ploștina | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Gorj County |
| Length: | 13km (08miles) |
| Mouth: | Motru |
| Mouth Coordinates: | 44.7863°N 22.9785°W |
| Basin Size: | 26km2 |
The Ploștina is a left tributary of the river Motru in Romania. It discharges into the Motru in the town Motru. Its length is 13km (08miles) and its basin size is 26km2.