| Pivabiska River | |
| Pushpin Map: | Canada Ontario |
| Pushpin Map Caption: | Location of the mouth of the Pivabiska River in Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Name3: | Northeastern Ontario |
| Subdivision Type4: | District |
| Subdivision Name4: | Cochrane |
| Source1: | Lac Pivabiska |
| Source1 Location: | Casgrain Township |
| Source1 Coordinates: | 49.84°N -83.6686°W |
| Source1 Elevation: | 235m (771feet) |
| Mouth: | Missinaibi River |
| Mouth Location: | Garden Township |
| Mouth Coordinates: | 50.2194°N -82.8725°W |
| Mouth Elevation: | 90m (300feet) |
| River System: | James Bay drainage basin |
The Pivabiska River is a river in Cochrane District in Northeastern Ontario, Canada.[1] It is in the James Bay drainage basin and is a left tributary of Missinaibi River.
The river begins at Lac Pivabiska in geographic Casgrain Township[2] and heads north. It turns northeast, then east, enters geographic Garden Township[3] and immediately thereafter reaches its mouth at the Missinaibi River. The Missinaibi River flows via the Moose River to James Bay.