The Adventures of Hiram Holliday is an American adventure sitcom that aired on NBC from October 3, 1956 to February 27, 1957. Starring Wally Cox in the title role, the series is based on the 1939 novel of the same name by Paul Gallico.

Wallace Maynard Cox was an American actor. He began his career as a standup comedian and then became the title character of the popular early U.S. television series Mister Peepers from 1952 to 1955. He also appeared as a character actor in over 20 films and dozens of television episodes. Cox was the voice of the animated canine superhero Underdog of the TV show of the same name.