Gmina Gostynin is a rural gmina (administrative district) in Gostynin County, Masovian Voivodeship, in east-central Poland.

The gmina covers an area of 270.69 square kilometres (104.5 sq mi), and as of 2006 its total population is 12,245.

The gmina contains part of the protected area called Gostynin-Włocławek Landscape Park.

Gmina Gostynin contains the villages and settlements of: Gmina Gostynin is bordered by the town of Gostynin and by the gminas of Baruchowo, Łąck, Łanięta, Lubień Kujawski, Nowy Duninów, Strzelce and Szczawin Kościelny.

Media related to Gmina Gostynin at Wikimedia Commons