Lucinda Mary Turnbull AO (née Hughes; born 30 March 1958) is an Australian businesswoman, philanthropist, and former local government politician. She served on the Sydney City Council from 1999 to 2004, including as Lord Mayor of Sydney from 2003 to 2004 – the first woman to hold the position. She has since held positions on a number of urban planning bodies, including as chief commissioner of the Greater Sydney Commission from 2015 to 2020. Her husband Malcolm Turnbull was prime minister of Australia from 2015 to 2018.
