Justice O'Connor

Justice O'Connor may refer to:


 * Deirdre O'Connor (1941–2024), judge of the Federal Court of Australia
 * Dennis O'Connor (judge) (fl. 1970s–2010s), associate chief justice of Ontario on the Ontario Court of Appeal
 * Earl Eugene O'Connor (1922–1998), associate justice of the Kansas Supreme Court
 * Kenneth O'Connor (1896–1985), chief justice of Jamaica and later of Kenya
 * Maureen O'Connor (born 1951), chief justice of the Supreme Court of Ohio
 * Richard Edward O'Connor (1851–1912), justice of the High Court of Australia
 * Sandra Day O'Connor (1930–2023), associate justice of the United States Supreme Court