Noreen Hay (born 10 March 1951) is an Australian politician and a former member of the New South Wales Legislative Assembly. She represented Wollongong for the Labor Party from 2003 to 2016. In July 2015, Hay stood down as NSW Opposition whip due to allegations of electoral fraud and branch stacking. In August 2016, Hay resigned from the NSW Legislative Assembly triggering a by-election.