| St. Raphael River | |
| Pushpin Map: | Canada Ontario |
| Pushpin Map Caption: | Location of the mouth of the St. Raphael River in Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Name3: | Northwestern Ontario |
| Subdivision Type4: | District |
| Subdivision Name4: | Thunder Bay |
| Source1: | Aki Lake |
| Source1 Coordinates: | 50.5461°N -90.1361°W |
| Source1 Elevation: | 398m (1,306feet) |
| Mouth: | Miniss River |
| Mouth Coordinates: | 50.9147°N -90.9136°W |
| Mouth Elevation: | 377m (1,237feet) |
| River System: | James Bay drainage basin |
The St. Raphael River is a river in the Unorganized Part of Thunder Bay District in Northwestern Ontario, Canada.[1] The river is part of the James Bay drainage basin and is a left tributary of the Miniss River.
The river begins at Aki Lake and flows north to St. Raphael Lake, then northwest to Churchill Lake. It heads northeast from the lake and reaches its mouth at the Miniss River. The Miniss River flows to Lake St. Joseph, then via the Albany River to James Bay.