| Barlow River | |
| Pushpin Map: | New Zealand#New Zealand South Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Barlow River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | region |
| Subdivision Name2: | West Coast Region |
| Subdivision Type3: | District |
| Subdivision Name3: | Westland District |
| Length: | 13.8km (08.6miles) |
| Source1: | Barlow Glacier |
| Source1 Location: | Southern Alps / Kā Tiritiri o te Moana |
| Source1 Coordinates: | -43.3067°N 170.625°W |
| Source1 Elevation: | 1400m (4,600feet) |
| Mouth: | Perth River |
| Mouth Coordinates: | -43.3475°N 170.5208°W |
| Mouth Elevation: | 215m (705feet) |
| Progression: | Barlow Glacier → Barlow River → Perth River → Whataroa River |
| River System: | Whataroa River |
| Tributaries Right: | North Barlow River |
The Barlow River is a river in the Westland district of the South Island of New Zealand. It is a tributary of the Perth River. The Barlow River is fed by the Barlow and Farrar Glacier. Its tributary North Barlow River is fed by the Escape and Siege Glacier. A smaller stream called Barlow Creek lies 1km (01miles) west of the Barlow River.[1]