Duchess Elisabeth of Württemberg (German: Elisabeth Maria Margarethe Alix Helene Rosa Philippine Christine Josepha Therese vom Kinde Jesu, Herzogin von Württemberg; born 2 February 1933) is a member of the House of Württemberg and a Duchess of Württemberg by birth and through her marriage to Prince Antoine of Bourbon-Two Sicilies, a member of the House of Bourbon-Two Sicilies and a Princess of Bourbon-Two Sicilies.

Elisabeth was the third child and second daughter of Philipp Albrecht, Duke of Württemberg and his second wife Archduchess Rosa of Austria, Princess of Tuscany. Elisabeth's younger brother, Carl, Duke of Württemberg, is the current Head of the House of Württemberg.

Elisabeth married Prince Antoine of Bourbon-Two Sicilies, only child of Prince Gabriel of Bourbon-Two Sicilies and his first wife Princess Malgorzata Izabella Czartoryska, civilly on 18 July 1958 and religiously on 19 July 1958 in Altshausen, Baden-Württemberg, Germany. Elisabeth and Antoine have four children: