The Lightstone, a novel by David Zindell, the first of the EA Cycle
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Jack N. Lightstone, Canadian President and Vice-Chancellor of Brock University in St. Catharines, Ontario
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A. H. Lightstone (1926 – 1976), Canadian logician, mathematician, and Queen's University professor
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Marilyn Lightstone (born 1940), Canadian film, television and voice actress
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The Lightstone Group, a real estate investment company based in New York
Jack N. Lightstone | The Lightstone Group | The Lightstone | Marilyn Lightstone | A. H. Lightstone |