Zielonówek [ʑɛlɔˈnuvɛk] is a village in the administrative district of Gmina Olecko, within Olecko County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) west of Olecko and 132 km (82 mi) east of the regional capital Olsztyn.