Joseph Barker may refer to:
Joseph Barker (Massachusetts politician) (1751–1815), American Congregationalist minister and U.S. Representative from Massachusetts Joseph Barker (mayor) (1806–1862), American mayor of Pittsburgh remembered for his nativist and anti-Catholic activism Joseph Barker (minister) (1806–1875), English preacher, author, and controversialist Joseph Barker (priest) (1834–1924), Anglican priest in South Africa Joseph Scott Barker (born 1963), American Episcopal clergyman Joseph Warren Barker (1891–1975), American electrical and mechanical engineer
See also Joe Baker (1940–2003), England international footballer Colonel Joseph Barker House, an historic residence in Washington County, Ohio Barker (surname)