Ptaszniki [ptaʂˈniki] is a settlement in the administrative district of Gmina Suchy Dąb, within Gdańsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) south-east of Suchy Dąb, 18 km (11 mi) south-east of Pruszcz Gdański, and 27 km (17 mi) south-east of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.