Altburg Duchess of Oldenburg
- Category : 1903-births
- Type : MGE
- Profile : 4/6 - Opportunistic / Role Model
- Definition : Triple Split
- Incarnation Cross : RAX Contagion 2
German duchess, a daughter of Friedrich August II, Grand Duke of Oldenburg by his second wife Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin. On 25 August 1922, Altburg married Josias, Hereditary Prince of Waldeck and Pyrmont. He was the eldest son of Friedrich, Prince of Waldeck and Pyrmont and Princess Bathildis of Schaumburg-Lippe. Like her own parents, Josias' parents had lost their titles at the end of World War I. They had five children. She died on 16 June 2001, aged 98, in Bad Arolsen, Germany.