Tarnowa Łąka [tarnɔvaˈwɔnka] is a village in the administrative district of Gmina Rydzyna, within Leszno County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 7 kilometres (4 mi) south-west of Rydzyna, 12 km (7 mi) south of Leszno, and 75 km (47 mi) south of the regional capital Poznań.