Phineas Taylor "P.T." Barnum (July 5, 1810 - April 7, 1891) was an American showman and businessman remembered for promoting celebrated hoaxes and founding the Barnum & Bailey Circus.

He was mentioned by Lyle Tiberius Rourke in Atlantis: The Lost Empire. He was played by Roger Ashton-Griffiths in Gangs of New York.

He was the inspiration and namesake for P.T. Flea in Pixar's A Bug's Life.

Hugh Jackman played the showman in the 2017 film The Greatest Showman.