Swanzy is a surname. It may refer to: Henry Swanzy (1915–2004), British radio producer Henry Rosborough Swanzy (1843–1913), Irish ophthalmic surgeon Mary Swanzy (1882–1978), Irish artist

Other uses Mount Swanzy, a summit located in Glacier National Park in the Selkirk Mountains of British Columbia, Canada Swanzy, Michigan, an unincorporated community in Marquette County, Michigan, United States

See also Swansea, Massachusetts, a town in Bristol County, Massachusetts, United States Swanzey, New Hampshire, a town in Cheshire County, New Hampshire, United States