Vada Harlene Hayne CNZM (born 1961/1962) is an American-born academic administrator who was the vice-chancellor and a professor of psychology at the University of Otago in New Zealand, before moving to Western Australia to take up the position of vice-chancellor at Curtin University in April 2021. She was elected a Fellow of the Royal Society of New Zealand in 2002, and is also a fellow of the Association for Psychological Science. She was recipient of the Robert L. Fantz Memorial Award from the American Psychological Foundation in 1997.