Justice Day (disambiguation)

Justice Day refers to William R. Day (1849–1923), associate justice of the Supreme Court of the United States. Justice Day may also refer to:

• Arthur H. Day (1890–1967), associate justice of the Ohio Supreme Court
• Edward C. Day Jr. (1908–1999), associate justice of the Colorado Supreme Court
• George A. Day (1859–1927), associate justice of the Nebraska Supreme Court
• James G. Day (1835–1898), associate justice of the Iowa Supreme Court
• John Day (judge) (1797–1859), 2nd Chief Justice of Liberia
• L. B. Day (judge) (1889–1938), associate justice of the Nebraska Supreme Court
• Luther Day (1813–1885), associate justice of the Ohio Supreme Court
• Robert Day (Irish politician, born 1746) (1746–1841), justice of the Court of King's Bench of Ireland
• Robert H. Day (judge) (1867–1933), associate justice of the Ohio Supreme Court
• Roland B. Day (1919–2008), chief justice of the Wisconsin Supreme Court