Justice Dunn may refer to:
Charles Dunn (Wisconsin politician) (1799–1872), chief justice of the Wisconsin Territorial Supreme Court Charles J. Dunn (1872–1939), associate justice and chief justice of the Maine Supreme Judicial Court Francis G. Dunn (fl. 1930s–1980s), associate justice of the South Dakota Supreme Court Frank K. Dunn (1854–1940), associate justice of the Illinois Supreme Court Robert N. Dunn (1857–1925), associate justice of the Idaho Supreme Court