Spławie [ˈspwavjɛ] is a village in the administrative district of Gmina Kołaczkowo, within Września County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 8 kilometres (5 mi) south of Kołaczkowo, 21 km (13 mi) south of Września, and 57 km (35 mi) south-east of the regional capital Poznań.