Dobrynka [dɔˈbrɨŋka] is a village in the administrative district of Gmina Piszczac, within Biała Podlaska County, Lublin Voivodeship, in eastern Poland. It lies approximately 8 kilometres (5 mi) north-east of Piszczac, 26 km (16 mi) east of Biała Podlaska, and 105 km (65 mi) north-east of the regional capital Lublin.