Prince Johannes of Liechtenstein (Johannes Franz Alfred Maria Caspar Melchior Balthasar; 6 January 1873 in Vienna – 3 September 1959 in Hollenegg), was an Austro-Hungarian noble and military leader.

Between 1912 and 1915, he was Austro-Hungarian Marine-Attaché in Rome, but was recalled after the Italian declaration of War.

In the last days of the First World War, he represented the Austro-Hungarian Navy in signing the Armistice of Villa Giusti with the Italians.

He headed the Order of St. George until it was dissolved by Nazi Germany.

[2] He married in Budapest on 6 September 1906 Countess Mária Gabriella Andrássy de Csíkszentkirály et Krasznahorka (1886-1961), and had 4 sons: