Joseph or Joe Harper may refer to:
Joe Harper (born 1948), former Scotland and Aberdeen footballer Joe Harper (American football) (born c. 1936), American college football coach Joe Harper, a character in The Adventures of Tom Sawyer, see list of characters in the Tom Sawyer series Joseph Harper (actor) (1759–1811), English-born American actor and theatre manager Joseph Harper (canoeist) (born 1966), American sprint canoer Joseph Harper (English politician) (1914–1978), Labour MP for Pontefract and Castleford Joseph Harper (horse breeder), 19th-century Australian horse breeder Joseph Anthony Harper (1867–1939), Australian businessman and politician Joseph H. Harper (1901–1990), US army officer Joseph M. Harper (1787–1865), US politician