Gmina Wilga is a rural gmina (administrative district) in Garwolin County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Wilga, which lies approximately 17 kilometres (10 mi) south-west of Garwolin and 49 km (30 mi) south-east of Warsaw.
The gmina covers an area of 119.13 square kilometres (46.0 sq mi), and as of 2006 its total population is 5,262.