Lubnicki Młyn [lubˈnit͡ski ˈmwɨn] is a settlement in the administrative district of Gmina Okonek, within Złotów County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 12 kilometres (7 mi) north of Okonek, 33 km (21 mi) north of Złotów, and 138 km (86 mi) north of the regional capital Poznań.

For more on its history, see Złotów County.