| Reindeer River | |
| Map: | Churchill river hudson basin map.png |
| Map Size: | 250px |
| Pushpin Map: | Canada Saskatchewan |
| Pushpin Map Caption: | Location of the mouth of the Reindeer River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Saskatchewan |
| Length: | 100km (100miles) |
| Source1: | Reindeer Lake |
| Source1 Coordinates: | 56.3389°N -103.225°W |
| Source1 Elevation: | 337m (1,106feet) |
| Mouth: | Churchill River |
| Mouth Coordinates: | 55.6°N -103.1836°W |
| River System: | Churchill River drainage basin |
| Extra: | [1] [2] |
The Reindeer River is a river in northern Saskatchewan in the Canadian Shield. It flows south from Reindeer Lake to the Churchill River. The river's flow is regulated by the Whitesand Dam (56.2356°N -103.1492°W) located between Marchand Lake and Fafard Lake.
Access is by Highway 102 that ends at the community of Southend.