Gielniów [ˈɡʲɛlɲuf] is a town in Przysucha County, Masovian Voivodeship, in east-central Poland.

[1] It lies northern part of historic Lesser Poland, approximately 10 kilometres (6 mi) west of Przysucha and 100 km (62 mi) south of Warsaw.

It received Magdeburg rights due to efforts of a local nobleman Tomasz Mszczuj of Brzezinki.

Until the Partitions of Poland, Gielniów belonged to Sandomierz Voivodeship in the Lesser Poland Province, but it remained a very small town, whose population was app.

In 1815-1915, Gielniów was part of Russian-controlled Congress Poland, losing its town charter after the failed January Uprising.