Stanisław Fiszer (1769–1812) was Polish General and Chief of Staff of the Duchy of Warsaw. He was married to Wirydianna Fiszerowa, remembered for her memoirs. An inhabitant of Poland, his family was originally from Germany. Between 1783 and 1788 he attended the Corps of Cadets and joined Tadeusz Kosciuszko's brigade which was part of Poland's Division. Under Kosciuszko's command he fought in the Polish-Russian war of 1792. He took part in the battle of Polonno and the battle of Dubienka and moved up the ranks, eventually becoming a lieutenant. He was given the highest military decoration for heroism and courage in Poland - the Virtuti Militari. At the end of 1792 he arrived in Gdańsk, where according to Szymon Askenazy he was checking the state of the city's fortifications which were to be