Siekierki Wielkie [ɕɛˈkʲɛrki ˈvjɛlkʲɛ] is a village in the administrative district of Gmina Kostrzyn, within Poznań County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 4 kilometres (2 mi) west of Kostrzyn and 18 km (11 mi) east of the regional capital Poznań.