Hallet may refer to:
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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 Taupō 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