Gromadka [ɡrɔˈmatka] is a village in Bolesławiec County, Lower Silesian Voivodeship, in south-western Poland. It is the seat of the administrative district (gmina) called Gmina Gromadka.

It lies approximately 17 km (11 mi) north-east of Bolesławiec, and 93 km (58 mi) west of the regional capital Wrocław.

From 1975 to 1998 Gromadka was in Legnica Voivodeship.