| Limestone River | |
| Pushpin Map: | Canada Manitoba |
| Pushpin Map Caption: | Location of the mouth of Limestone River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Manitoba |
| Subdivision Type3: | Region |
| Subdivision Name3: | Northern |
| Source1: | Limestone Lake |
| Source1 Coordinates: | 56.6094°N -95.8483°W |
| Source1 Elevation: | 189m (620feet) |
| Mouth: | Nelson River |
| Mouth Coordinates: | 56.515°N -94.1197°W |
| Mouth Elevation: | 56m (184feet) |
| River System: | Hudson Bay drainage basin |
The Limestone River is a river in the Hudson Bay drainage basin in Northern Manitoba, Canada.[1] Its flows from Sakawisew Bay on Limestone Lake to the Nelson River, just downstream from Limestone Generating Station and dam and adjacent to the Fox Lake Cree Nation and to the abandoned community of Sundance.[2]