Henry A. Regier (1930 - ) was a professor of zoology and environmental studies at the University of Toronto until his retirement in 1995. Regier received his BA from Queen's University, a professional teaching certificate from the University of Toronto, and his PhD from Cornell University. In 1966 he joined the University of Toronto. Henry Regier's research interests include the Great Lakes, human use of aquatic systems, world population, and climate change. Regier served as a Canadian commissioner on the Great Lakes Fishery Commission, from 1980 to 1989. From 1987 to 1990 he served on the Great Lakes Science Advisory Board of the International Joint Commission of Canada and the USA. Regier has received many awards, including the Conservation Award of the Federation of Ontario Naturalists in 1980, the Centenary Medal by the Royal Society of Canada in 1986, the Award of Excellence of the American Fisheries Society in 1992, and the Lifetime Achievement Award from the International Association of Great Lakes Research in 2005.