__NOTOC__ Mackenzie River is the longest river in Canada
Mackenzie River may refer to:
Australia
Mackenzie River (Queensland), a tributary of the Fitzroy River in Queensland Mackenzie River (Victoria), in western Victoria, Australia, also called the McKenzie River, a tributary of the Wimmera River
Canada
Mackenzie River (Nova Scotia)
New Zealand
Mackenzie River (New Zealand) in the South Island of New Zealand
See also McKenzie River (disambiguation) SS Mackenzie River (1908), steamship on the Mackenzie River system