Śliwniki [ɕlivˈniki] is a village in the administrative district of Gmina Nowe Skalmierzyce, within Ostrów Wielkopolski County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 4 kilometres (2 mi) east of Skalmierzyce (the gmina seat), 23 km (14 mi) east of Ostrów Wielkopolski, and 109 km (68 mi) south-east of the regional capital Poznań.