| Rawa Pening | |
|---|---|
 Rawa Pening in 2008 | |
  Rawa Pening | |
| Coordinates | 7°17′S 110°26′E / 7.283°S 110.433°E |
| Basin countries | Indonesia |
| Surface area | 2,500 to 2,670 hectares (25.0 to 26.7 km2; 9.7 to 10.3 sq mi) |
Rawa Pening (literally meaning 'Clear Swamp', from the Javanese Bening) is a lake in the Ambarawa Basin in Central Java, Indonesia. It serves as a source of power, irrigation, and flood control, and is used for fishing. Due partly to the high numbers of aquatic plants, it may dry out by 2021.