Mount Armstrong may refer to:
- Mount Armstrong (Antarctica)
- Mount Armstrong (High Rock Range) in the Canadian Rockies
- Mount Armstrong (New South Wales) in New South Wales, Australia
- Mount Armstrong (Northern Territory) in Northern Territory, Australia
- Mount Armstrong (New Zealand)
- Mount Armstrong (Tagish Highland) in British Columbia, Canada
- Mount Armstrong (Yukon) in Yukon, Canada
This disambiguation page lists articles about distinct geographical locations with the same name.
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