Pidzamochok (Ukrainian: Підзамочок, Polish: Podzameczek) is a village in Chortkiv Raion (district) of Ternopil Oblast (province) in western Ukraine.

Then belonged to the Polish–Lithuanian Commonwealth, from 1772 until 1918 to Austrian (Habsburg monarchy, Austrian Empire, Austria-Hungary) empires, in 1918-1919 to West Ukrainian People's Republic.

Reading room of Ukrainian society Prosvita operated in the village.

Until 18 July 2020, Pidzamochok belonged to Buchach Raion.

The raion was abolished in July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Ternopil Oblast to three.