Justice Murphy refers to Frank Murphy (1890–1949), associate justice of the United States Supreme Court. Justice Murphy may also refer to:
John Luttrell Murphy (1842–1912), justice of the Territorial Montana Supreme Court Lionel Murphy (1922–1986), justice of the High Court of Australia Loren E. Murphy (1882–1963), associate justice and chief justice of the Illinois Supreme Court Michael A. Murphy (1837–1909), associate justice of the Supreme Court of Nevada Robert C. Murphy (judge) (1926–2000), chief judge of the Maryland Court of Appeals Thomas W. Murphy (American Samoa judge) (1935–1992), associate chief justice of the High Court of American Samoa William P. Murphy (judge) (1898–1986), associate justice of the Minnesota Supreme Court
See also Alonzo Morphy (1798–1856), associate justice of the Louisiana Supreme Court Judge Murphy (disambiguation)