Leśnica [lɛɕˈnit͡sa] is a settlement in the administrative district of Gmina Nowy Dwór, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It lies approximately 24 kilometres (15 mi) north of Sokółka and 59 km (37 mi) north of the regional capital Białystok.