| Walawe River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Sri Lanka |
| Subdivision Type2: | Locations |
| Subdivision Name2: | Padalangala, Mamadala, Nakulugamuwa, Uswewa, Angunakolapelessa, Tunkama, Ridiyagama |
| Length: | 138km (86miles) |
| Source1: | Sri Padaya |
| Mouth: | Indian Ocean |
| Mouth Location: | Ambalantota |
The Walawe (Sinhala; Sinhalese: වලවේ ගඟ, Tamil: வளவை ஆறு) is a 138km (86miles)[1] long river in Sri Lanka which originates on Adam's Peak. It discharges into the Indian Ocean at the coastal town of Ambalantota.