| Stanisław Haller | |
| Birth Date: | 26 April 1872 |
| Office: | Chief of the Polish General Staff |
| Term Start: | 12 May 1926 |
| Term End: | 15 May 1926 |
| Predecessor: | Edmund Kessler |
| Successor: | Stanisław Burhardt-Bukacki |
| Birth Place: | Polanka Hallera, Austria-Hungary |
| Death Date: | April 1940 (67-68) |
| Death Place: | Kharkov, Soviet Union |
| Resting Place: | Kharkov Polish War Cemetery |
| Branch: | 20pxPolish Legions 20pxPolish Armed Forces |
| Serviceyears: | 1912–1939 |
| Battles: | First World War Polish–Soviet War Invasion of Poland |
| Citizenship: | Polish |
| Rank: | Divisional general 50px |
| Width Style: | person |
Stanisław Haller de Hallenburg (26 April 1872 – April 1940) was a Polish politician and general who was murdered in the Katyn massacre. He was the cousin of General Józef Haller von Hallenburg.
Between 1894 and 1918 Haller served in the Austro-Hungarian Army. Among other military functions, he was commandant of Fortress Kraków.In 1918 he joined the renascent Polish Army. During the Polish-Soviet War he contributed to the defeat of Budionny's army and its expulsion beyond the Bug River. In 1919-1920, 1923–25 and in May 1926 he was Chief of the Polish General Staff. After 1926 he was placed in retirement as a political opponent of the new regime headed by Józef Piłsudski.
In 1939 he was arrested by the Soviets after their attack on Poland and placed in a POW camp in Starobielsk.[1] [2] Along with other Polish POWs, he was murdered by the NKVD in April 1940, just before his sixty-eighth birthday, in Piatykhatky near Kharkov, in what is collectively called the Katyn Massacre.[3]
He is buried at the Polish War Cemetery in Kharkov.
Stanisław Haller is patron of the 5th command regiment of the Kraków-based Polish 2nd Mechanized Corps.
Among the victims of the Katyn Massacre were 14 Polish military leaders, including Leon Billewicz, Bronisław Bohatyrewicz, Xawery Czernicki, Henryk Minkiewicz, Kazimierz Orlik-Łukoski, Konstanty Plisowski, Rudolf Prich (murdered in Lwow), Franciszek Sikorski, Leonard Skierski, Piotr Skuratowicz, Mieczysław Smorawiński, and Alojzy Wir-Konas (promoted posthumously).[4]