Stalag XXI-C was a German Army World War II prisoner-of-war camp located in Wolsztyn in German-occupied Poland.

It held mostly Polish, French, British and Soviet POWs, but also American, Norwegian, Dutch and Italian.

[2] It was located at the former estate of the Mycielski family in the district of Komorowo.

[2] In December 1939, it was converted into a transit camp for expelled Poles from the region.

[2] After the war, the former POW camp served as a temporary shelter for Poles displaced from former eastern Poland annexed by the Soviet Union.