Siedleczko [ɕɛˈdlɛt͡ʂkɔ] is a village in the administrative district of Gmina Wągrowiec, within Wągrowiec County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 11 kilometres (7 mi) north-east of Wągrowiec and 58 km (36 mi) north-east of the regional capital Poznań.
Coordinates: 52°51′N 17°20′E / 52.850°N 17.333°E / 52.850; 17.333