The Battle of Bautzen was one of the last battles of the Eastern Front during World War II in Europe. It was fought on the extreme southern flank of the Spremberg-Torgau Offensive, seeing days of pitched street fighting between forces of the Polish Second Army under elements of the Soviet 52nd Army and 5th Guards Army[a] on one side and elements of German Army Group Center in the form of the remnants of the 4th Panzer and 17th armies on the other.

The Polish Second Army was a Polish Army unit formed in the Soviet Union in 1944 as part of the People's Army of Poland. The organization began in August under the command of generals Karol Świerczewski and Stanislav Poplavsky, and the formation under command of general Świerczewski entered active duty in January 1945. The Second Army suffered heavy losses at the Battle of Bautzen during April 22–26, 1945. Subsequently, the Second Army was part of the final great Soviet offensive of World War II in Europe, the drive on Prague. In August 1945 most of the formation was used to create the Poznań Military District.