| McKenzie River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Centre-du-Québec |
| Subdivision Type4: | MRC |
| Subdivision Name4: | L'Érable Regional County Municipality |
| Length: | 11.9km (07.4miles) |
| Source1: | Forest and mountain streams |
| Source1 Location: | Thetford Mines (sector Pontbriand) |
| Source1 Coordinates: | 46.2385°N -71.6592°W |
| Source1 Elevation: | 282m (925feet) |
| Mouth: | Bécancour River |
| Mouth Location: | Saint-Jacques-de-Leeds |
| Mouth Coordinates: | 46.2317°N -71.5044°W |
| Mouth Elevation: | 190m (620feet) |
| Progression: | Bécancour River, St. Lawrence River |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
| Country: |  Canada |
The McKenzie River (in French: rivière McKenzie) is a tributary of the Bécancour River which is a tributary of the south shore of the St. Lawrence River. The McKenzie River flows through the municipalities of Laurierville, Saint-Pierre-Baptiste and Inverness, in the L'Érable Regional County Municipality (MRC), in the administrative region of Centre-du-Québec, in Quebec, in Canada.
The main neighboring watersheds of the McKenzie River are:
The McKenzie River originates from agricultural streams in the municipality of Laurierville, northeast of the summit of Mount Apic (elevation:), at south of route 267.
From its source, the McKenzie River flows on divided into the following segments:
The McKenzie River empties onto the west bank of the Bécancour River southeast of the village of Inverness.
The toponym "McKenzie River" was made official on August 17, 1978, at the Commission de toponymie du Québec.[2]