Gelston may refer to:

• Gelston, Dumfries and Galloway, a hamlet in Scotland
• Gelston, Lincolnshire, a village in England
• David Gelston (1744–1828), an American merchant and politician
• Gelston Castle in Jordanville, New York, in the United States
• Gelston Castle, a listed building in Kelton, Dumfries and Galloway, in Scotland

This disambiguation page lists articles associated with the title Gelston.
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