Ultimatum
- annos singulos: 1938
- Patriam: France
- genus: War, Drama
- Studio: Forrester-Parant Productions, Films Ultimatum
- keyword: world war i, archduke
- Director: Robert Wiene, Robert Siodmak
- cast: Erich von Stroheim, Abel Jacquin, Bernard Lancret, Dita Parlo, Georges Rollin, Marcel André
