| Netheli Aru | |
| River | |
| Country | Sri Lanka |
|---|---|
| State | Northern Province |
| District | Mullaitivu District Kilinochchi District |
| Source | Mullaitivu District |
| Mouth | Chundikkulam Lagoon |
| - elevation | 0 m (0 ft) |
| Length | 24 km (15 mi) |
| Basin | 120 km2 (46 sq mi) |
Netheli Aru is a river in Northern Province, Sri Lanka. The river rises in central Mullaitivu District, before flowing north through Mullaitivu District and Kilinochchi District. The river empties into Chundikkulam Lagoon.
Coordinates: 9°28′N 80°33′E / 9.467°N 80.550°E