Hand Föllmer (20 May 1941 in Heiligenstadt, Thüringen, Germany) is a German mathematician, currently Professor Emeritus at the Humboldt-Universität in Berlin, Visiting Professor at the National University of Singapore, and Andrew D. White Professor-at-Large at Cornell University. He was awarded the Cantor medal in 2006. He specialized in Stochastics and Mathematical Finance.
In 2007 he became doctor honoris causa at the Université Paris-Dauphine.