Robert Thorne

Robert Thorne or Thorn may refer to:
 * Robert Thorne (cartographer) (1492-1532), English cartographer
 * Robert Thorne (typographer) (1754–1820), English typefounder
 * Robert Thorne (cricketer) (1860–1930), English cricketer
 * Robert J. Thorne (1875–1955), American businessman
 * Robert C. Thorne (1898–1960), American paleontologist
 * Robert Folger Thorne (1920–2015), American botanist
 * Robert Thorn, a fictional character and the protagonist of the 1976 horror film The Omen
 * Robert Thorn (MP), Member of Parliament (MP) for Bristol
 * Robert Thorne (racing driver), a member of the automobile racing team K-Pax Racing