Łatana Wielka [waˈtana ˈvjɛlka] (German: Groß Lattana) is a village in the administrative district of Gmina Wielbark, within Szczytno County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 10 kilometres (6 mi) east of Wielbark, 21 km (13 mi) south of Szczytno, and 59 km (37 mi) south-east of the regional capital Olsztyn.