Fabienne Casoli (born 1959) is a French astronomer and academic administrator, the president of the Paris Observatory.
After study at the École normale supérieure de jeunes filles and earning an agrégation in physics,[1] she completed a Ph.D. in astrophysics with the dissertation Nuages moléculaires, formation d'étoiles et structure spirale on molecular clouds and star formation, directed by Françoise Combes at Paris Diderot University.
[2] She became a director of research for the French National Centre for Scientific Research (CNRS), and successively the scientific director of the Institute of Science of the Universe [fr] (INSU), director of the Institut d'astrophysique spatiale (IAS), deputy director and head of science for the CNES (National Centre for Space Studies).
[1] Casoli was named a chevalier in the Ordre national du Mérite in 2010, and an officier in 2023.
[3] Casoli is an author or editor of books on astronomy including: