Robert Casadesus (7 April 1899 β 19 September 1972) was a renowned 20th-century French pianist and composer.
He was the most prominent member of a distinguished musical family, being the nephew of Henri Casadesus and Marius Casadesus, husband of Gaby Casadesus, and father of Jean Casadesus.
The preferred pronunciation of his last name is "Kah-zah-deh-su" with a silent final "s."