Uściąż-Kolonia [ˈuɕt͡ɕɔ̃ʂ kɔˈlɔɲa] is a village in the administrative district of Gmina Karczmiska, within Opole Lubelskie County, Lublin Voivodeship, in eastern Poland. It lies approximately 7 kilometres (4 mi) north of Karczmiska, 15 km (9 mi) north of Opole Lubelskie, and 43 km (27 mi) west of the regional capital Lublin.