Łomnica-Folwark [wɔmˈnit͡sa ˈfɔlvark] is a settlement in the administrative district of Gmina Trzcianka, within Czarnków-Trzcianka County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 7 kilometres (4 mi) north of Trzcianka, 24 km (15 mi) north of Czarnków, and 84 km (52 mi) north of the regional capital Poznań.