Dyniska [dɨˈniska] is a village in the administrative district of Gmina Ulhówek, within Tomaszów Lubelski County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine. It lies approximately 7 kilometres (4 mi) south-west of Ulhówek, 22 km (14 mi) east of Tomaszów Lubelski, and 123 km (76 mi) south-east of the regional capital Lublin. The village is located in the historical region Galicia.