Mościsko [mɔɕˈt͡ɕiskɔ] (German: Faulbrück) is a village in the administrative district of Gmina Dzierżoniów, within Dzierżoniów County, Lower Silesian Voivodeship, in south-western Poland. Prior to 1945 it was in Germany. It lies approximately 8 kilometres (5 mi) north of Dzierżoniów and 50 km (31 mi) south-west of the regional capital Wrocław.