Johan Auwerx (born 1958 in Diepenbeek, Belgium) is a Belgian biologist, and a professor at the École Polytechnique Fédérale de Lausanne (EPFL).

His research in the fields of cellular metabolism has contributed to a better understanding of the regulation of mitochondrial function by signaling pathways.

Johan Auwerx studied medicine at the Université catholique de Louvain and received his doctoral degree in 1982.

[1] He leads the Laboratory of Integrative Systems Physiology (LISP) and occupies the Nestlé chair on energy metabolism.

[2] In 2016, he was awarded the Marcel Benoist Prize[3] for his work on mitochondria and their role in metabolism, and more specifically on how nutrients can influence cellular behavior, thereby initiating fat cell breakdown or preventing metabolic disorders.