Hermanowa Wola [xɛrmaˈnɔva ˈvɔla] (German: Hermanawolla; 1929-45:Hermannshorst) is a settlement in the administrative district of Gmina Ryn, within Giżycko County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) east of Ryn, 17 km (11 mi) south-west of Giżycko, and 73 km (45 mi) east of the regional capital Olsztyn.
Before 1945 the area was part of Germany (East Prussia). After World War II the region was placed under Polish administration and ethnically cleansed according to the post-war Potsdam Agreement. The native German populace was expelled and replaced with Poles.
The settlement has a population of 10.
Coordinates: 53°55′51″N 21°34′45″E / 53.93083°N 21.57917°E