Christine Coe Winterbourn is a New Zealand biochemist. She is a professor of pathology at the University of Otago, Christchurch. Her research in the biological chemistry of free radicals earned her the 2011 Rutherford Medal and the Marsden Medal, the top awards from each of New Zealand's two top science bodies.

The Rutherford Medal is the most prestigious award offered by the Royal Society of New Zealand, consisting of a medal and prize of $100,000. It is awarded at the request of the New Zealand Government to recognize exceptional contributions to the advancement and promotion of public awareness, knowledge and understanding in addition to eminent research or technological practice by a person or group in any field of science, mathematics, social science, or technology. It is funded by the New Zealand government and awarded annually.