Sieniawka [ɕɛˈɲafka] is a village in the administrative district of Gmina Łagiewniki, within Dzierżoniów County, Lower Silesian Voivodeship, in south-western Poland.

The Sieniawka Lake is located close to the village.

Its tank is about 300 meters long and has retention and leisure functions.

The lake is used as a recreation center (sandbeach, swimming, beach volley, small catering and campsite).

This Dzierżoniów County location article is a stub.