Marie Amalie Princess of Baden
- Category : 1817-births
- Type : MGP
- Profile : 3/5 - Martyr / Heretic
- Definition : Single
- Incarnation Cross : RAX Penetration 3
Princess of Baden as the youngest daughter of Karl, Grand Duke of Baden and Stéphanie de Beauharnais. In 1843, she married the Scottish nobleman William Hamilton, Marquess of Douglas and Clydesdale. They became the Duke and Duchess of Hamilton upon the death of William's father in 1852. Their only daughter Mary married the future Albert I, Prince of Monaco and was the mother of Louis II.
Princess Marie was a cousin of Napoleon III of France, as well as a friend of his and his wife's, Empress Eugénie. She often accompanied the couple at official events, and provided them lodging when they visited her outside France.
The Duke and Duchess of Hamilton had two sons and one daughter.
Marie, Duchess of Hamilton, died on 17 October 1888, aged 71, in Baden-Baden, Baden.