Jack Horner may refer to: "Little Jack Horner", a nursery rhyme People Jack Horner (activist) (born 1922), Australian author and activist in the Aboriginal-Australian Fellowship Jack Horner (baseball) (1863–1910), American professional baseball player Jack Horner (journalist) (1912–2005), Gordon John Horner, Minnesota sportscaster Jack Horner (paleontologist) (born 1946), American paleontologist Jack Horner (politician) (1927–2004), John Henry Horner known as "Jack" or "Cactus Jack", member of the Canadian House of Commons Jack B. Horner (1922–2009), Pennsylvania politician Fictional characters "Big" Jack Horner, a character from the 2022 film Puss in Boots: The Last Wish Jack Horner, the fictional porn director in the 1997 film Boogie Nights Jack Horner (comics), a character from the comic book, Fables, created by Bill Willingham, based on the nursery rhyme character Little Jack Horner, the protagonist of the nursery rhyme "Little Jack Horner" Animals Jack Horner (racehorse) (born 1917), 1926 Grand National winning horse See also John Horner (disambiguation) Horner (disambiguation)