Ludwig Gruno, Hereditary Prince of Hesse-Homburg

Ludwig Gruno, Hereditary Prince of Hesse-Homburg (Ludwig Johann Wilhelm Gruno; 15 January 1705 – 23 October 1745) was heir to the throne of the Landgraviate of Hesse-Homburg with the title Hereditary Prince. The eldest surviving son of Frederick III, Landgrave of Hesse-Homburg an his wife Princess Elisabeth Dorothea of Hesse-Darmstadt. The Hereditary Prince studied at the University of Giessen.

Marriage
Hereditary Prince Ludwig Gruno of Hesse-Homburg married Princess Anastasija Trubetskaya on 3 February 1738 but the couple had no children together.