Proszowa [prɔˈʂɔva] is a village in the administrative district of Gmina Mirsk, within Lwówek Śląski County, Lower Silesian Voivodeship, in south-western Poland, close to the Czech border. Prior to 1945, it was in Germany.

It lies approximately 9 kilometres (6 mi) south-east of Mirsk, 22 kilometres (14 mi) south of Lwówek Śląski, and 111 kilometres (69 mi) west of the regional capital Wrocław.