| Pecineaga | |
| Name Other: | Peceneaga |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Buzău County |
| Length: | 14km (09miles) |
| Mouth: | Slănic |
| Mouth Location: | Vintilă Vodă |
| Mouth Coordinates: | 45.4578°N 26.7456°W |
| Mouth Elevation: | 319m (1,047feet) |
| Basin Size: | 58km2 |
The Pecineaga or Peceneaga is a left tributary of the river Slănic in Romania. It discharges into the Slănic in Vintilă Vodă. Its length is 14km (09miles) and its basin size is 58km2. The following villages are situated along the river Pecineaga, from source to mouth: Băltăgari, Sările, Sărulești, Cărătnău de Jos and Vintilă Vodă.