Stavros Katsanevas (1953 – 27 November 2022) was a Greek-French astrophysicist who was director of the European Gravitational Observatory, professor (Exceptional Class) at the Université Paris Cité, former director of the AstroParticle and Cosmology (APC) laboratory and former chairman of the Astroparticle Physics European Consortium (APPEC). In 2000, he received for his work on supersymmetry the Physics Prize from the Academy of Athens. In 2011, he was awarded the Ordre National du Merite. He was an ordinary member of Academy of Europe, Earth and Cosmic Sciences since 2019.