Gmina Łęka Opatowska is a rural gmina (administrative district) in Kępno County, Greater Poland Voivodeship, in west central Poland. Its seat is the village of Łęka Opatowska, which lies approximately 11 kilometres (7 mi) south-east of Kępno and 155 km (96 mi) south-east of the regional capital Poznań. The Gmina covers an area of 77.54 square kilometres (29.9 sq mi), and as of 2006 its total population was 5,219.