Łankiejmy [wanˈkʲɛi̯mɨ] is a village in the administrative district of Gmina Korsze, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland, approximately 6 kilometres (4 mi) southwest of Korsze, 22 km (14 mi) west of Kętrzyn, and 56 km (35 mi) northeast of the regional capital Olsztyn.

German diplomat Hans von der Groeben was born here in 1907, while it was part of East Prussia.