Jack Horner may refer to:
"Little Jack Horner", a nursery rhyme
People
Jack Horner (activist) (1922–2010), Australian author and activist in the Aboriginal-Australian Fellowship Jack Horner (baseball) (1863–1910), American professional baseball player Jack Horner (journalist) (1912–2005), Minnesota sportscaster Jack Horner (paleontologist) (born 1946), American paleontologist Jack Horner (politician) (1927–2004), member of the Canadian House of Commons Jack B. Horner (1922–2009), Pennsylvania politician
Fictional characters the title character of "Little Jack Horner", a nursery rhyme "Big" Jack Horner, the main antagonist of the animated film Puss in Boots: The Last Wish Jack Horner, the porn director in the 1997 film Boogie Nights Jack Horner (comics), from the comic book Fables
Animals Jack Horner (racehorse) (born 1917), 1926 Grand National winning horse
See also John Horner (disambiguation)