Troska [ˈtrɔska] is a village in the administrative district of Gmina Twardogóra, within Oleśnica County, Lower Silesian Voivodeship, in south-western Poland.

It lies approximately 4 kilometres (2 mi) north of Twardogóra, 23 kilometres (14 mi) north of Oleśnica, and 43 kilometres (27 mi) north-east of the regional capital Wrocław.