María de las Mercedes, Princess of Asturias (María de las Mercedes de Borbón y Habsburgo-Lorena; 11 September 1880 – 17 October 1904) was the eldest child of King Alfonso XII of Spain and his second wife, Maria Christina of Austria.
Born in Paris, Caron was one of the five sisters of Pierre Beaumarchais, born to watchmaker André-Charles Caron; their cousin was the artist Suzanne Caron.