Wojtkowizna [vɔi̯tkɔˈvizna] is a settlement in the administrative district of Gmina Purda, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) west of Purda and 9 km (6 mi) south-east of the regional capital Olsztyn. It is located in Warmia.