Phineas Taylor Barnum (July 5, 1810 – April 7, 1891) was an American showman, businessman, and entertainer, remembered for promoting celebrated hoaxes and for founding the circus that became the Ringling Bros. and Barnum & Bailey Circus. His successes may have made him the first "show business" millionaire. Although Barnum was also an author, publisher, philanthropist, and sometime politician, he said of himself, "I am a showman by profession...and all the gilding shall make nothing else of me," and his personal aims were "to put money in his own coffers."

Although Barnum is widely credited with coining the phrase "There's a sucker born every minute," he denied saying this.

Born in Bethel, Connecticut, Barnum became a small-business owner in his early twenties, and founded a weekly paper, The Herald of Freedom, in Danbury in 1829. He moved to New York City in 1834 and embarked on an entertainment career, first with a variety troupe called "Barnum's Grand Scientific and Musical Theater", and soon after by purchasing Scudder's American Museum, which he renamed after himself. Barnum used the museum as a platform to promote hoaxes and human curiosities such as the ""Feejee" mermaid" and "General Tom Thumb." By late 1846, Barnum's Museum was drawing 400,000 visitors a year. In 1850 he promoted the American tour of singer Jenny Lind, paying her an unprecedented $1,000 a night for 150 nights.