David Godfrey Pettifor CBE FRS (9 March 1945 – 16 October 2017) was the Isaac Wolfson Professor of Metallurgy at the University of Oxford from 1992 to 2011. He was also a Fellow of St Edmund Hall, Oxford. He was the author of a book entitled Bonding and Structure of Molecules and Solids (Oxford University Press). He created "structure maps" which determine which crystal structure an alloy will form. He was a world authority on materials modelling and helped established the Oxford Materials Modelling Laboratory. He died on 16 October 2017.