Justice Cox may refer to:
Charles E. Cox (1860–1936), associate justice and chief justice of the Indiana Supreme Court Frank Cox (judge) (1862–1940), associate justice of the Supreme Court of Appeals of West Virginia Joseph Winston Cox (1875–1939), associate justice of the District Court of the United States for the District of Columbia Louis Cox (1874–1961), associate justice of the Massachusetts Supreme Judicial Court W. H. Lionel Cox (1844–1921), chief justice of the Straits Settlements Walter Smith Cox (1826–1902), associate justice of the Supreme Court of the District of Columbia
See also Judge Cox (disambiguation)