Hugo, Margrave of Hachberg-Sausenberg

Margrave Hugo of Hachberg-Sausenberg (died 1444) was the youngest son of Margrave William of Hachberg-Sausenberg and his wife, Elisabeth of Montfort-Bregenz. After his father died in 1441, he ruled jointly with his elder brother Rudolf IV.
Hugo died in 1444, after only three years as co-ruler. He did not have an heir; after his death, Rudolf IV ruled alone.