Justice Kennedy refers to Anthony Kennedy (born 1936), associate justice of the United States Supreme Court. Justice Kennedy may also refer to:

Hugh Kennedy (judge) (1879–1936), the first chief justice of Ireland Mark Kennedy (judge) (1952–2024), associate justice of the Alabama Supreme Court Paul Kennedy (American judge) (born 1948/49), associate justice of the New Mexico Supreme Court Sharon L. Kennedy (born 1962), associate justice of the Supreme Court of Ohio

See also Lord Justice Kennedy (disambiguation) Judge Kennedy (disambiguation)