Gmina Jaktorów is a rural gmina (administrative district) in Grodzisk Mazowiecki County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Jaktorów, which lies approximately 8 kilometres (5 mi) west of Grodzisk Mazowiecki and 37 km (23 mi) south-west of Warsaw.
The gmina covers an area of 55.24 square kilometres (21.3 sq mi), and as of 2006 its total population is 10,090.
Gmina Jaktorów contains the villages and settlements of Bieganów, Budy Michałowskie, Budy Zosine, Budy-Grzybek, Chylice, Chylice-Kolonia, Chylice-Osada, Grabnik, Grądy, Henryszew, Jaktorów, Jaktorów-Kolonia, Jaktorów-Osada, Kołaczek, Mariampol, Maruna, Międzyborów, Sade Budy and Stare Budy.
Gmina Jaktorów is bordered by the town of Żyrardów and by the gminas of Baranów, Grodzisk Mazowiecki, Radziejowice and Wiskitki.