Christopher David Garner FRSC FRS (born 9 November 1941) is a British retired chemist, whose research work was in the growing field of Biological Inorganic Chemistry. His research primarily focussed on the role of transition metal elements in biological processes, for which he published over 400 original papers and reviews on the topic. His specific interests lie in the roles of Molybdenum and Tungsten as the metal centres in various enzyme cofactors based on the molybdopterin molecule.