| Pasquatchai River | |
| Pushpin Map: | Canada Ontario |
| Pushpin Map Caption: | Location of the mouth of the Pasquatchai River in Manitoba just beyond the border with Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Provinces |
| Length: | 115km (71miles) |
| Source1: | Unnamed lake |
| Source1 Location: | Kenora District, Northwestern Ontario |
| Source1 Coordinates: | 54.6631°N -91.7439°W |
| Source1 Elevation: | 185m (607feet) |
| Mouth: | Echoing River |
| Mouth Location: | Census Division No. 23, Northern Region, Manitoba |
| Mouth Coordinates: | 55.245°N -91.5219°W |
| Mouth Elevation: | 90m (300feet) |
| River System: | Hudson Bay drainage basin |
The Pasquatchai River is a river in the Hudson Bay drainage basin in Kenora District, Northwestern Ontario, and census Division No. 23, Northern Region, Manitoba, Canada.
With the exception of the final 200m (700feet) to its mouth at the Echoing River, the Pasquatchai River lies entirely in Ontario.