| Laonong River | |
| Pushpin Map: | Taiwan |
| Pushpin Map Alt: | Map showing the mouth of Laonong River |
| Pushpin Map Caption: | Map showing the mouth of Laonong River at its confluence with the Ailiao River |
| River System: | Gaoping River |
| Source1 Location: | Central Mountain Range |
| Source1 Coordinates: | 23.47°N 120.9572°W |
| Source1 Elevation: | 3952m (12,966feet) |
| Mouth Location: | Liouguei |
| Mouth Coordinates: | 22.7969°N 120.5117°W |
| Basin Size: | 1372km2 |
| Subdivision Type1: | Country |
| Subdivision Name1: | Taiwan |
| Length: | 136km (85miles) |
| Discharge1 Location: | Liouguei Bridge |
| Discharge1 Min: | 0.01m3/s |
| Discharge1 Avg: | 52m3/s |
| Discharge1 Max: | 5130m3/s |
The Laonong River, also spelled Laonung River,[1] is a tributary of the Gaoping River in Taiwan;[2] it is the main course of the river system above the Gaoping River. It flows through Kaohsiung City for 136 km.