Jeanne Stuart (13 August 1908 – 12 February 2003), born Ivy Sweet, was a British stage and film actress. Using the stage name Jeanne Stuart, she performed on the London stage, on Broadway, and in motion pictures. She made her motion picture debut in 1931 and went on to perform and star in more than twenty films. Her West End stage appearances included Walter C. Hackett's Road House (1932), Afterwards (1933) and Espionage (1935). In 1945 she appeared in the hit musical Under the Counter alongside Cicely Courtneidge. Baroness Jeanne de Rothschild died in Monte Carlo in 2003.