| Crasna | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Prahova County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Schiulești, Homorâciu |
| Length: | 22km (14miles) |
| Mouth: | Teleajen |
| Mouth Location: | Izvoarele |
| Mouth Coordinates: | 45.2721°N 26.0213°W |
| Basin Size: | 51km2 |
| Tributaries Left: | Crăsnuța |
The Crasna is a right tributary of the river Teleajen in Romania. It discharges into the Teleajen in Izvoarele.[1] Its length is 22km (14miles) and its basin size is 51km2.