Robert Abernathy (1924–1990) was an American science fiction author during the 1940s and 1950s. He was known primarily for his short stories which were published in many of the pulp magazines that flourished during the Golden Age of Science Fiction. Many of his stories have been included in anthologies of classic science fiction such as the French Les Vingt Meilleurs Récits de science-fiction edited by Hubert Juin.