Ulesie [uˈlɛɕɛ] is a small settlement in the administrative district of Gmina Janowo, within Nidzica County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) north-east of Nidzica and 45 km (28 mi) south of the regional capital Olsztyn.

The reason for the settlement being small is the decision to expand the Muszaki proving ground in this area. As a result, only a small bit of the village is inhabited while older houses no longer exist. A similar thing happened with the nearby Puchałowo.