Barrier River should not be confused with Barrière River (disambiguation).
| Barrier River | |
| Native Name: | Maori: Waikea |
| Pushpin Map: | New Zealand Fiordland#New Zealand South Island#New Zealand |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Barrier River |
| Source1: | Barrier River North Branch |
| Source1 Location: | The Furies Ridge |
| Source1 Coordinates: | -44.39°N 168.3381°W |
| Source2: | Barrier River South Branch |
| Source2 Location: | Barrier Ice Stream |
| Source2 Coordinates: | -44.4284°N 168.3348°W |
| Mouth Coordinates: | -44.4139°N 168.2126°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Region |
| Subdivision Name2: | Southland |
| Subdivision Type3: | District |
| Subdivision Name3: | Southland |
| Tributaries Left: | Silver Stream, |
| Tributaries Right: | Saddle Stream, Red Stream |
The Barrier River is a river in the Mount Aspiring National Park in northern Southland, New Zealand. It is a tributary of the Pyke River, which it enters about 1km (01miles) south of Lake Wilmot.The Barrier River is fed by three glaciers and ice fields: