Princess Helene of Hohenlohe-Langenburg (22 November 1807 – 5 September 1880)[1] 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.

Helene was the twelfth child and the ninth daughter of Karl Ludwig III, Prince von Hohenlohe-Langenburg and Countess Amalie Henriette of Solms-Baruth.

She was a younger sister of Ernst I, Prince of Hohenlohe-Langenburg, brother-in-law of Queen Victoria of the United Kingdom.

On 11 September 1827, Princess Helene married Duke Eugen of Württemberg (1788–1857),[2] son of Duke Eugen of Württemberg (1758–1822) and Princess Luise of Stolberg-Gedern (1764–1828), first cousin of the better known Countess of Albany.

Duke Eugen was a widower of Princess Mathilde of Waldeck and Pyrmont (1801–1825), daughter of George I, Prince of Waldeck and Pyrmont by whom he had had three children.