Once a Hero (disambiguation)

Once a Hero may refer to:


 * Once a Hero, an ABC 1987 science fiction comedy television series
 * Once a Hero (novel), a novel by Elizabeth Moon
 * "Once a Hero" (NCIS), an episode of NCIS
 * "Once a Hero" (Hercules: The Legendary Journeys), an episode of Hercules: The Legendary Journeys
 * Once a Hero (film), a 1931 film directed by Fatty Arbuckle
 * It Happened in Hollywood, a 1937 film with the working title Once a Hero