Susan Jane Smith FBA FAcSS FRSE (born 1956) is a British geographer and academic. Since 2009, she has been mistress of Girton College, Cambridge. Smith previously held the Ogilvie Chair of Geography at the University of Edinburgh from 1990 to 2004 and until 2009 was a professor of geography at Durham University, where she played a key role in establishing the Institute of Advanced Study. On 1 October 2011, she was conferred the title of Honorary Professor of Social and Economic Geography in the Department of Geography at the University of Cambridge for five years, which was renewed until 2021.