Joseph Harper (1759-February 27, 1811) was an English-born and early American actor and theatre manager.
He managed the illegal Board Alley Theatre in Boston, until Governor John Hancock forced it to close sometime in June 1793.
He also worked with Charles Tubbs, husband of Eliza Poe, to co-manage the Assembly Room in Portsmouth.
Harper died in Charleston, South Carolina on February 27, 1811, and buried at the Unitarian Church Cemetery.
His tombstone inscription reads: He was married and his wife, known only as "Mrs. Harper", was a popular actress and highly regarded in the Old American Company for her roles as old women until her death in 1791, after which she was replaced by 'Mrs.