Gmina Działoszyn is an urban-rural gmina (administrative district) in Pajęczno County, Łódź Voivodeship, in central Poland. Its seat is the town of Działoszyn, which lies approximately 10 kilometres (6 mi) west of Pajęczno and 85 km (53 mi) south-west of the regional capital Łódź.
The gmina covers an area of 120.59 square kilometres (46.6 sq mi), and as of 2006 its total population is 12,908 (out of which the population of Działoszyn amounts to 6,276, and the population of the rural part of the gmina is 6,632).