Joseph Hart (June 8, 1861 – October 3, 1921) was an American vaudevillian entertainer, manager, producer and songwriter.

His father, a Boston area junk dealer, was from Nova Scotia, the son of French immigrants who had settled there in the early 1800s.

[3] Hart next struck out on his own touring with his play The Gay Old Boy (1894–95), A Tarrytown Widow (1897–98), by Charles T. Dazey, Foxy Grandpa (an adaptation from the Carl E. Schultze comic strip, 1901–05) and Girls Will Be Girls (1903–04), the latter two written in collaboration with Melville Baker.

[6] On August 1, 1894, Hart married his co-star Carrie De Mar,[7] an actress, dancer and singer whom he had worked with for a number of years.

Hart died suddenly on October 3, 1921, from a stroke he suffered at his New York residence on West 54th Street, with his wife was at his side.