| Mackenzie River | |
| Mouth Location: | Grays River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Pushpin Map: | New Zealand |
| Pushpin Map Caption: | Location of the mouth within New Zealand |
The Mackenzie River is a river in the South Island of New Zealand.
It is in the Mackenzie Basin of the Canterbury region. The river feeds into the Grays River which in turn feeds into the Tekapo River.