Rozajny [rɔˈzai̯nɨ] is a village in the administrative district of Gmina Gardeja, within Kwidzyn County, Pomeranian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) north-east of Gardeja, 11 km (7 mi) south-east of Kwidzyn, and 83 km (52 mi) south of the regional capital Gdańsk.

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