Działoszyn [d͡ʑaˈwɔʂɨn] is a town in Pajęczno County, Łódź Voivodeship, in south-central Poland, with 5,627 inhabitants as of December 2021.

The town was heavily bombed by the Germans, and most of its Jews fled to nearby Paincheno, where they were employed in forced labor.

[citation needed] Eventually, the town's Jews were murdered by the occupiers in the Holocaust.

In 1945, the German occupation ended, and the town's historic name was restored.

It was the first club of retired Poland national football team player Robert Warzycha.