Joseph Allen may refer to:

Clergy

• Joseph Allen (bishop) (1770–1845), Bishop of Bristol and Bishop of Ely
• Joseph Allen (clergyman) (1790–1873), American clergyman
• Joseph Henry Allen (1820–1898), American Unitarian scholar and son of Joseph Allen (1790–1873)

Politics

• Joseph Allen (congressman) (1749–1827), member of the eleventh U.S. Congress
• Joseph Allen (Maine politician) (fl. 1907–1916), American politician from Maine
• Joseph Allen (Australian politician) (1869–1933), member of the Western Australian Legislative Council
• Joseph B. Allen, member of the Florida House of Representatives

Other

• Joseph Allen (doctor of medicine) (1714–1796), doctor, circumnavigator, Master of Dulwich College
• Joseph William Allen (1803–1852), English landscape painter and art teacher
• Joseph H. Allen (1821–1884), colonel in the American Civil War and Supervisor of Brunswick, New York
• Joseph G. Allen, public health expert
• Joseph P. Allen (born 1937), NASA astronaut
• Joseph P. Allen (psychologist), American psychologist and academic
• H. Joseph Allen (born 1941), American businessman, racehorse owner and film producer
• Joseph Allen, a fictional character in Call of Duty: Modern Warfare 2

See also

• Joe Allen (disambiguation)
• Joey Allen (born 1964), lead guitarist from the American glam metal band Warrant
• Joey Allen (sailor), New Zealand sailor
• Jo Allen (disambiguation)
• Joseph Alleine (1634–1668), English Puritan Nonconformist pastor and author
• Joseph Allan (fl. 1932–1933), rugby league footballer
• Allen (surname)