Siemianówka is a village in the administrative district of Gmina Narewka, within Hajnówka County, Podlaskie Voivodeship, in north-eastern Poland, at the border with Belarus. The village has a population of 660, most of whom are ethnic Belarusians that are part of Poland's Belarusian minority. It lies approximately north-east of Narewka, north-east of Hajnówka, and south-east of the regional capital Białystok.

References

Villages in Hajnówka County {{Hajnówka-geo-stub