Gmina Celestynów is a rural gmina (administrative district) in Otwock County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Celestynów, which lies approximately 11 kilometres (7 mi) south-east of Otwock and 33 km (21 mi) south-east of Warsaw.
The gmina covers an area of 88.92 square kilometres (34.3 sq mi), and as of 2006 its total population is 11,032.