Ian Robert Dowbiggin FRSC (born 1952) is a professor in the Department of History at the University of Prince Edward Island and writer on the history of medicine, in particular topics such as euthanasia and physician-assisted suicide. His research and publications have been funded by the Social Sciences and Humanities Research Council of Canada and the Associated Medical Services. In 2011, he was made a Fellow of the Royal Society of Canada. He is the brother of Canadian sports broadcaster and author Bruce Dowbiggin.