Mały Łęck [ˈmawɨ ˈwɛnt͡sk] is a village in the administrative district of Gmina Płośnica, within Działdowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) south-west of Płośnica, 15 km (9 mi) west of Działdowo, and 68 km (42 mi) south-west of the regional capital Olsztyn.