Dominiczyn [dɔmiˈnit͡ʂɨn] is a village in the administrative district of Gmina Stary Brus, within Włodawa County, Lublin Voivodeship, in eastern Poland. It lies approximately 21 kilometres (13 mi) south-west of Włodawa and 56 km (35 mi) north-east of the regional capital Lublin.