Jean Davignon, OC GOQ FRSC (born July 29, 1935) is a Canadian physician, medical researcher, and academic.
Born in Montreal, Quebec, he received his Doctor of Medicine from the Université de Montréal in 1958 and a Master of Science degree in 1960 from McGill University.
He is a professor of the Faculty of Medicine at the Université de Montréal and adjunct professor of the Department of Experimental Medicine at McGill University.
In 2006, he was made a Grand Officer of the National Order of Quebec.
In 1995, he was made a Fellow of the Royal Society of Canada.