Harrison Bay may refer to:
- in Canada
- Harrison Bay (British Columbia), on the Harrison River at the Fraser River
- in the United States
- Harrison Bay (Beaufort Sea), a bay on the north coast of Alaska, location of an island named for George Baker Leavitt, Sr.
- Harrison Bay, in Harrison Bay State Park, on Chickamauga Lake, Tennessee, named for submerged, former Harrison, Tennessee
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