| Lyvia River | |
| Pushpin Map: | New Zealand#New Zealand South Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Lyvia River |
| Source1 Coordinates: | -45.5193°N 167.0839°W |
| Mouth Location: | Wanganella Cove |
| Mouth Coordinates: | -45.471°N 167.1631°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Progression: | Lyvia River → Wanganella Cove → Deep Cove → Doubtful Sound / Patea → Tasman Sea |
| Tributaries Right: | Stella Burn |
| Waterfalls: | Lyvia River Cascades |
The Lyvia River is a river of Fiordland, New Zealand. It rises in the Dingwall Mountains and flows north-eastward into Doubtful Sound / Patea at Wanganella Cove, a cove within Deep Cove.