Jasionno [jaˈɕɔnnɔ] is a village in the administrative district of Gmina Gronowo Elbląskie, within Elbląg County, Warmian-Masurian Voivodeship, in northern Poland.^[1] It is approximately 3 kilometres (2 mi) east of Gronowo Elbląskie, 4 km (2 mi) west of Elbląg, and 84 km (52 mi) northwest of the regional capital Olsztyn.

Prior to 1945, it was part of Germany (East Prussia).