Trelkówko [trɛlˈkufkɔ] (German: Klein Schöndamerau) is a village in the administrative district of Gmina Szczytno, within Szczytno County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 11 kilometres (7 mi) north of Szczytno and 33 km (21 mi) south-east of the regional capital Olsztyn.

The village has a population of 160.