Mark Edmund Smith, CBE, FREng, FInstP is a British physicist, academic, and academic administrator. He specialises in nuclear magnetic resonance (NMR) and materials physics. Since October 2019, he has been the President and Vice-Chancellor of University of Southampton, having previously held the office of Vice-Chancellor of Lancaster University, and Professor of Solid State NMR in its Department of Chemistry since 2012. He has previously lectured at the University of Kent and the University of Warwick.