Krupin [ˈkrupin] is a village in the administrative district of Gmina Wieliczki, within Olecko County, Warmian-Masurian Voivodeship, in north-eastern Poland.

[1] It lies approximately 6 kilometres (4 mi) north of Wieliczki, 5 km (3 mi) east of Olecko, and 139 km (86 mi) east of the regional capital Olsztyn.

It is located in the historic region of Masuria.

The origins of the village date back to 1561, when brothers Paweł and Stańko Markowicz from nearby Niedźwiedzkie bought land to establish a village.

This Olecko County location article is a stub.