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.

Gmina Łęka Opatowska contains the villages and settlements of Biadaszki, Klasak, Kuźnica Słupska, Łęka Opatowska, Lipie, Marianka Siemieńska, Opatów, Opatowiec, Piaski, Raków, Siemianice, Stogniew, Szalonka, Trzebień, Wesoła, and Zmyślona Słupska.

Gmina Łęka Opatowska is bordered by the gminas of Baranów, Bolesławiec, Byczyna, Trzcinica, and Wieruszów.

• Polish official population figures 2006