Parzniew [ˈpaʐɲɛf] is a village in the administrative district of Gmina Brwinów, within Pruszków County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) east of Brwinów, 3 km (2 mi) south-west of Pruszków, and 18 km (11 mi) south-west of Warsaw.

During the Invasion of Poland, on 12 September 1939, around 100 Polish prisoners of war were massacred in Parzniew by the German Wehrmacht.