Longstone or Long Stone may refer to
Places Longstone, Edinburgh, a suburb of Edinburgh, Scotland Longstone, County Armagh, a townland in County Armagh, Northern Ireland Longstone, Cornwall, a hamlet in Cornwall, England Longstone, Isles of Scilly, a place in the Isles of Scilly, Cornwall, England Longstone, Somerset, a location in England Longstone, St Ives, a location in Cornwall, England Great Longstone and Little Longstone, two villages in Derbyshire, England Longstone Lighthouse, a lighthouse on Longstone Rock, Farne Islands, Northumberland, England
Prehistoric The Longstone, Mottistone, a standing stone on the Isle of Wight, England The Longstones, two standing stones near Beckhampton, Wiltshire, England Longstone Rath, a prehistoric ringfort with a standing stone near Cullen, Co. Tipperary, Ireland Boswens Menhir, Cornwall, England, also known as the Long Stone The Long Stone, a standing stone on Shovel Down, Dartmoor, England
Other Longstone (band), an experimental, electronic music collective formed in Cheltenham, England Longstone GAC, a Gaelic Football club from Co. Down, Northern Ireland