Rząśnik may refer to the following places in Poland: Rząśnik, Lower Silesian Voivodeship (south-west Poland) Rząśnik, Gmina Stary Lubotyń, Ostrów County in Masovian Voivodeship (east-central Poland) Rząśnik, Wyszków County in Masovian Voivodeship (east-central Poland)