11th Infantry Regiment (Polish language: 11 Pulk Piechoty, 11 pp) was an infantry regiment of the Polish Army. It existed from 1918 until 1939. Garrisoned in Tarnowskie Góry, the unit belonged to the 23rd Infantry Division from Tarnowskie Góry. Due to its location in Polish Upper Silesia, the regiment was called Upper Silesian.