| Poneasca | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Caraș-Severin County |
| Length: | 14km (09miles) |
| Mouth: | Miniş |
| Mouth Coordinates: | 45.01°N 21.9564°W |
| Basin Size: | 46km2 |
| Tributaries Left: | Ogașu Bologhii |
| Tributaries Right: | Gusec |
The Poneasca is a left tributary of the river Miniș in Romania. It discharges into the Miniș near the village Poneasca. Its length is 14km (09miles) and its basin size is 46km2.