Hallet may refer to: Places Cape Hallett, Northern Victoria Land, the location of a scientific base in Antarctica Hallett, South Australia, Australia Halletts Bay, on the eastern shore of Lake Taupo in New Zealand United States Hallett, Missouri Hallett, Oklahoma Hallett Nature Sanctuary, New York City, US Hallett Peak, a mountain in Colorado's Rocky Mountain National Park, USA Other uses Hallett (surname) See also Hallett Cove (disambiguation) Hallet (disambiguation) Hallatt (disambiguation) Hallettsville