Princess Helene of Hohenlohe-Langenburg (22 November 1807, Langenburg, Principality of Hohenlohe-Langenburg - 5 September 1880, Schleiz, Thuringia) was a member of the House of Hohenlohe-Langenburg and a Princess of Hohenlohe-Langenburg by birth and a member of the House of Württemberg and a Duchess of Württemberg as the second wife of Duke Eugen of Württemberg