Princess Henriëtte of Nassau-Weilburg, then of Nassau (22 April 1780, in Kirchheimbolanden – 2 January 1857, in Kirchheim unter Teck) was a daughter of Prince Charles Christian and Carolina of Orange-Nassau, daughter of William IV, Prince of Orange.
She is an ancestor of branches of the Austrian Imperial and Royal Family and Russian Imperial Family and Dutch Royal Family; the German Royal, Grand Ducal, Ducal, Princely and Princely noble families of: Baden, Bavaria, Hanover, Hohenlohe-Langenburg, Oldenburg, Salm-Salm, Saxe-Weimar-Eisenach, Waldeck and Pyrmont and Wied; in addition to the British, Greek, Romanian, Spanish and Yugoslavian Royal Families.