The 2016 Hamilton City mayoral election is part of the New Zealand local elections and held to determine the next mayor of the Hamilton City Council. The incumbent Julie Hardaker, who was first elected in the 2010 mayoral election did not stand for re-election. Confirmed candidates included current Waikato Regional Council chair Paula Southgate, East Ward Councillor Rob Pascoe, West Ward Councillor Andrew King, and former business manager at Hamilton City Council Chris Simpson. Andrew King won with a nine-vote margin, amended to 6 votes in a recount.
Seven nominees contested the office of mayor. In September 2016, an investigation into the fridges of the candidates was published in the media.
The results were initially declared on 14 October 2016. Amended results were declared on 28 October 2016.