Gmina Jejkowice is a rural gmina (administrative district) in Rybnik County, Silesian Voivodeship, in southern Poland. Its seat is the village of Jejkowice, which lies approximately 7 kilometres (4 mi) north-west of Rybnik and 42 km (26 mi) south-west of the regional capital Katowice.
The gmina covers an area of 7.59 square kilometres (2.9 sq mi), and as of 2006 its total population is 3,683. It has the smallest area of any rural gmina in Poland.
Gmina Jejkowice is bordered by the towns of Rybnik and Rydułtowy, and by the gmina of Gaszowice.