__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