Kopciówka is a village in the administrative district of Gmina Suchowola, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 11 kilometres (7 mi) east of Suchowola, 25 km (16 mi) north-west of Sokółka, and 51 km (32 mi) north of the regional capital Białystok.