Marcia Ann Neave AO FASSA FAAL (born 23 August 1944) is an Australian legal academic and judge, who was appointed to the Supreme Court of Victoria, Court of Appeals division on 22 February 2006. She retired from the bench on 23 August 2014 to become commissioner of the Royal Commission into Family Violence. In the Queen's Birthday Honours of 1999, Neave was made an Officer of the Order of Australia (AO) for her services to the law, and in 2001, she was awarded the Centenary Medal.