Łącza is a village in the administrative district of Gmina Rudziniec, within Gliwice County, Silesian Voivodeship, in southern Poland. It lies approximately 5 kilometres (3 mi) south-east of Rudziniec, 17 km (11 mi) west of Gliwice, and 41 km (25 mi) west of the regional capital Katowice.