Justice Thomas may refer to:
Benjamin Thomas (politician) (1813–1878), associate justice of the Massachusetts Supreme Judicial Court Charles M. Thomas (judge) (c. 1844/1846–1895), associate justice of the South Dakota Territorial Supreme Court Clarence Thomas (born 1948), associate justice of the Supreme Court of the United States Darwin W. Thomas (1894–1954), associate justice of the Supreme Court of Idaho Edward A. Thomas (1838–1890), associate justice of the Territorial Wyoming Supreme Court Elwood L. Thomas (1930–1995), associate justice of the Supreme Court of Missouri Elwyn Thomas (1894–1971), associate justice of the Supreme Court of Florida James Burrows Thomas (born 1935), judge on the Supreme Court of Queensland Jesse B. Thomas Jr. (1806–1850), associate justice of the Supreme Court of Illinois John Charles Thomas (judge) (born c. 1950), associate justice of the Supreme Court of Virginia John Lilburn Thomas (1833–1924), associate justice of the Supreme Court of Missouri John Thomas, Baron Thomas of Cwmgiedd (born 1947), Lord Justice of Appeal of the Court of Appeal of England and Wales K. T. Thomas (judge) (born 1937), judge of the Supreme Court of India Richard V. Thomas (1932–2010), associate justice of the Supreme Court of Wyoming Robert R. Thomas (born 1952), associate justice of the Supreme Court of Illinois William H. Thomas (Alabama judge) (1867–1945), associate justice of the Alabama Supreme Court William H. Thomas (Maryland judge) (c. 1861–1924), judge of the Maryland Court of Appeals
See also Judge Thomas (disambiguation)