Derewiczna [dɛrɛˈvit͡ʂna] is a village in the administrative district of Gmina Komarówka Podlaska, within Radzyń Podlaski County, Lublin Voivodeship, in eastern Poland. It lies approximately 3 kilometres (2 mi) south-west of Komarówka Podlaska, 21 km (13 mi) east of Radzyń Podlaski, and 65 km (40 mi) north of the regional capital Lublin.