Piotrowo [pjɔˈtrɔvɔ] is a village in the administrative district of Gmina Nowy Dwór Gdański, within Nowy Dwór Gdański County, Pomeranian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) east of Nowy Dwór Gdański and 39 km (24 mi) south-east of the regional capital Gdańsk.