Tros [trɔs] is a village in the administrative district of Gmina Ryn, within Giżycko County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) east of Ryn, 13 km (8 mi) south-west of Giżycko, and 77 km (48 mi) east of the regional capital Olsztyn.