The 11th Carpathian Infantry Division (Polish 11 Karpacka Dywizja Piechoty), was a tactical unit of the Polish Army in the interbellum period, which fought in the Invasion of Poland in 1939. Elements of the unit would go on to serve in the Polish Armed Forces in the East.
Its headquarters were located in Stanisławów, with some regiments stationed in nearby locations, such as Stryj and Kolomyja. It consisted of these regiments:
The Division, under Colonel Bronisław Prugar-Ketling, was part of the Kraków Army as a rear unit. It was supposed to concentrate in the area of Zawiercie, to cover activities of the neighboring units - Polish 7th Infantry Division and the Slask Operational Group. However, original plans had been changed, because of the Luftwaffe bombing of Polish rail connections.
On September 3 and 4, parts of the Division left train near Bochnia and was ordered to protect the line of the Dunajec river. Lacking artillery, antiaircraft and field hospital (which had been stuck in Rzeszów), the unit entered the battle immediately, but German pressure was too hard. On September 7, the Division began retreat towards the Wisłoka and from there - eastwards, towards Przemyśl. There, on September 11 and 12, it was engaged in bloody fighting with the Germans. On September 17, the Division fought in the Janów Forest, halting advance of German 7th I.D. and 57 I.D. Remnants of the unit, numbered at no more than 1000 men, managed to break into besieged Lwów, where it capitulated.
An 11th Infantry Division (see ) was reformed became part of the Polish Armed Forces in the East. A 1944 formation of the division was originally intended to become part of the Third Army, which was never fully formed. After 1945 it became successively the 11th Motorised Division (1949), the 11th Mechanised Division (1950), the 11th Armoured Division (1963), and finally the 11th Armoured Cavalry Division in 1992, which still serves the Polish Army today. The 11th Armoured Cavalry Division is part of the 2nd Mechanised Corps.