Lightstone may refer to the following:
The Lightstone (2001), the first book of the Ea Cycle by David Zindell The Lightstone Group, a real estate investment company based in New York The Albert Harold Lightstone Scholarship at Queen's University, named for A. H. Lightstone
People with the surname A. H. Lightstone (1926–1976), Canadian logician, mathematician, and Queen's University professor Jack N. Lightstone, Canadian professor of history, and president and vice-chancellor of Brock University in St. Catharines, Ontario Liz Lightstone (born 1959), British nephrologist Marilyn Lightstone (born 1940), Canadian film, television and voice actress Mordechai Lightstone (born 1984), American Chabad rabbi and AI ethics commentator