Hajnówka [xai̯ˈnufka] (German: Herrnhausen) is a settlement in the administrative district of Gmina Dębno, within Myślibórz County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 7 kilometres (4 mi) north-west of Dębno, 24 km (15 mi) south-west of Myślibórz, and 72 km (45 mi) south of the regional capital Szczecin.

For the history of the region, see History of Pomerania.

The settlement has a population of 39.