The 2018 Auckland Open was a joint 2018 ATP World Tour and 2018 WTA Tour tennis tournament, played on outdoor hard courts. It was the 33rd edition of the women's event, and the 42nd edition of the men's event. It took place at the ASB Tennis Centre in Auckland, New Zealand, from 1 to 7 January 2018 for the women, and from 8 to 13 January 2018 for the men.