Redykajny [rɛdɨˈkai̯nɨ] is a village in the administrative district of Gmina Dywity, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) south-west of Dywity and 8 km (5 mi) north-west of the regional capital Olsztyn. It is located on the northern shore of Lake Redykajny in Warmia.