Gisèle Casadesus (14 June 1914 – 24 September 2017) was a French actress, who appeared in numerous theatre and film productions. She was an honorary member of the Sociétaires of the Comédie-Française, Grand Officer of the Legion of Honor, Officer of the Ordre des Arts et des Lettres, and Grand-Croix of the National Order of Merit. In a career spanning more than 80 years, Casadesus appeared in more than a dozen films after turning 90.

Born into a family of artists in the 18th arrondissement of Paris, Gisèle was the daughter of musician, composer and conductor Henri Casadesus and harpist Marie-Louise Beetz, her older brother was actor Christian Casadesus. After receiving first prize in acting at French National Academy of Dramatic Arts at the age of twenty, Casadeus joined the Comédie-Française in 1934. The same year, she married the actor Lucien Pascal (born Lucien Probst), with whom she had four children: Jean-Claude (1935), Martine (1939), Béatrice (1942) and Dominique (1954), all artists. She became the 400th member of the Comédie-Française 1 January 1939, and honorary member on 15 April 1967.