Geoffrey Wayne Rice ONZM (born 1946) is a New Zealand historian. He is an emeritus professor of history at the University of Canterbury, Christchurch. He joined the staff in 1973, and served as head of the School of History from 2006 to 2011, before retiring in 2012. In November 2019 Rice unveiled the 1918 Influenza Pandemic Memorial Plaque at Pukeahu Park alongside the Prime Minister of New Zealand, Jacinda Ardern. In the 2021 New Year Honours, Rice was appointed an Officer of the New Zealand Order of Merit, for services to historical research and tertiary education.