McKenzie Lake or Lake McKenzie may refer to:
in Australia
- Lake McKenzie, a lake in Queensland
- Lake Mackenzie (Tasmania), a lake in Tasmania
in Canada
- McKenzie Lake, Calgary, a neighborhood of Calgary, Alberta
- Ontario
- McKenzie Lake (Cochrane District), a lake in Cochrane District
- McKenzie Lake (Madawaska River), a lake mostly in Nipissing District and partly in Hastings County, that is part of the Madawaska River (Ontario) drainage basin
- McKenzie Lake, Ontario, a settlement in the township of South Algonquin that is on McKenzie Lake (Madawaska River)
- McKenzie Lake (Rainy River District), a lake in Rainy River District and within Quetico Provincial Park
- McKenzie Lake (Sudbury District), a lake in Sudbury District near the border with Timiskaming District
- McKenzie Lake (Timiskaming District), a lake in Timiskaming District
in the United States
- McKenzie Lake (Washington), a lake in Washington state