Michnówka [mixˈnufka] is a village in the administrative district of Gmina Narewka, within Hajnówka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It lies approximately 10 kilometres (6 mi) north-west of Narewka, 23 km (14 mi) north-east of Hajnówka, and 43 km (27 mi) south-east of the regional capital Białystok.