Casadesus is the surname of a prominent French artistic family.^[1] Its members include:

• Francis Casadesus [fr] (1870–1954), composer and conductor
  • Jules-Raphaël Casadesus, journalist, writer
    • Odette Casadesus [fr] (1925–1999), writer, poet
• Robert-Guillaume Casadesus (1878–1940), composer and singer known as "Robert Casa"
  • Robert Casadesus (1899–1972), pianist and composer
  • Gaby Casadesus (1901–1999), pianist, wife of Robert Casadesus
    • Jean Casadesus (1927–1972), pianist, son of Robert and Gaby Casadesus
• Henri Casadesus (1879–1947), violist and composer
  • Catherine Casadesus (1902–1985), violinist
  • Jacqueline Casadesus (1903–1976), pianist, singer and actress
  • Christian Casadesus (1912-2014), actor, theatre manager
  • Gisèle Casadesus (1914-2017), actress, daughter of Henri Casadesus
    • Jean-Claude Casadesus (born 1935), conductor, son of Gisèle Casadesus
      • Caroline Casadesus [fr] (born 1962), lyric soprano, daughter of Jean-Claude Casadesus
      • Olivier Casadesus [fr] (born 1970), actor and model, son of Jean-Claude Casadesus
    • Martine Pascal (born 1939), actress, daughter of Gisèle Casadesus
    • Béatrice Casadesus (born 1942), painter and sculptor, daughter of Gisèle Casadesus
    • Dominique Probst (born 1954), composer, son of Gisèle Casadesus
  • Bernard Casadesus (1924–1994), singer, musicologist
• Marcel Casadesus (1882–1914), cellist
  • Claude Casadesus (1913–1997), cellist
• Marius Casadesus (1892–1981), violinist and composer
  • Mathilde Casadesus (1931–1965), actress
  • Gréco Casadesus (born 1951), composer