Gmina Sędziejowice is a rural gmina (administrative district) in Łask County, Łódź Voivodeship, in central Poland. Its seat is the village of Sędziejowice, which lies approximately 11 kilometres (7 mi) south-west of Łask and 43 km (27 mi) south-west of the regional capital Łódź.
The gmina covers an area of 120.17 square kilometres (46.4 sq mi), and as of 2006 its total population is 6,523.