Opaleniec [ɔpaˈlɛɲɛt͡s] is a village in the administrative district of Gmina Chorzele, within Przasnysz County, Masovian Voivodeship, in east-central Poland.

[1] It lies approximately 4 kilometres (2 mi) north of Chorzele, 30 km (19 mi) north of Przasnysz, and 119 km (74 mi) north of Warsaw.

Before World War I, border markets were held twice a year in Opaleniec.

During the interwar period, near Opaleniec, a German-Polish border ran (Opaleniec / Opalenietz was in East Prussia), there was a customs office in the village.

This Przasnysz County location article is a stub.