Krucieniszki ([krut͡ɕɛˈniʂki]; Lithuanian: Krucieniškiai) is a village in the administrative district of Gmina Krasnopol, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland.

[3] It lies approximately 6 kilometres (4 mi) north of Krasnopol, 14 km (9 mi) north-west of Sejny, and 117 km (73 mi) north of the regional capital Białystok.

From 1975-1998 the village was administratively governed by the Suwałki Voivodeship.

In 1883 it was documented that the village population was numbered at 104 people with 14 homes.

This Sejny County location article is a stub.