Osmolin, Masovian Voivodeship

Osmolin is a village in the administrative district of Gmina Sanniki, within Gostynin County, Masovian Voivodeship, in central Poland. It lies approximately 5 km south of Sanniki, 29 km south-east of Gostynin, and 80 km west of Warsaw.

The village is the site of the Osmolin Radio Tower.

Osmolin was granted Chełmno town rights modeled after Gąbin in 1439.