Robert Hoe III (10 March 1839, in New York City – 22 September 1909, in London) was an American businessman and producer of printing press equipment. He succeeded Richard March Hoe as head of R. Hoe & Company, which continued its preeminence among printing-press makers. He was one of the organizers and first president of the Grolier Club, the well-known New York organization for the promotion of bookmaking as an art. He was also one of the founders of the Metropolitan Museum of Art in New York City.