Sylvie Paycha (born 27 March 1960 in Neuilly-sur-Seine) is a French mathematician and mathematical physicist working in operator theory as a professor at the University of Potsdam.

[1] She has chaired both European Women in Mathematics and L'association femmes et mathématiques.

[2] She completed her PhD thesis at the University of Bochum, Germany in 1988.

[3] Her doctoral advisor was Sergio Albeverio.

[4] This article about a French mathematician is a stub.