Stefanie Dehnen (born 31 May 1969) is a German chemist.[1][2][3] She is the executive director of the Institute of Nanotechnology at the Karlsruhe Institute of Technology.[4] From 2006 to 2022, she was a full professor for inorganic chemistry at the University of Marburg.[1] She has received numerous awards for her research in inorganic chemistry. In 2024 and 2025, she will be the president of the German Chemical Society.[5]