Gąsiorówko [ɡɔ̃ɕɔˈrufkɔ] is a village in the administrative district of Gmina Wieliczki, within Olecko County, Warmian-Masurian Voivodeship, in northern Poland.

It lies approximately 9 kilometres (6 mi) south-west of Wieliczki, 14 km (9 mi) south of Olecko, and 134 km (83 mi) east of the regional capital Olsztyn.