| East Dunrankin River | |
| Pushpin Map: | Canada Ontario |
| Pushpin Map Caption: | Location of the mouth of the East Dunrankin River in Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Name3: | Northeastern Ontario |
| Subdivision Type4: | Districts |
| Source1: | Unnamed marsh |
| Source1 Location: | Bonar Township, Sudbury District |
| Source1 Coordinates: | 48.3906°N -83.0783°W |
| Source1 Elevation: | 349m (1,145feet) |
| Mouth: | Dunrankin River |
| Mouth Location: | Stefansson Township, Algoma District |
| Mouth Coordinates: | 48.5825°N -83.0706°W |
| Mouth Elevation: | 305m (1,001feet) |
| River System: | James Bay drainage basin |
The East Dunrankin River is a river in Algoma District and Sudbury District in northeastern Ontario, Canada.[1] It is in the James Bay drainage basin, and is a right tributary of the Dunrankin River.
The river begins at an unnamed marsh in geographic Bonar Township,[2] Sudbury District, and flows north before heading into Algoma District at geographic Kirkwall Township,[3] then continues north to flow under the Canadian National Railway transcontinental railway main line, completed in 1915 as the Canadian Northern Railway, between the railway points of Dunrankin to the west and Agate to the east, at this point passed but not served by Via Rail transcontinental Canadian trains. The river continues north, enters geographic Stefansson Township,[4] and immediately reaches its mouth at the Dunrankin River. The Dunrankin River flows via the Kapuskasing River, the Mattagami River and the Moose River to James Bay.