Kleszczewo [klɛʂˈt͡ʂɛvɔ] is a village in the administrative district of Gmina Miłki, within Giżycko County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) north-west of Miłki, 10 km (6 mi) south-east of Giżycko, and 90 km (56 mi) east of the regional capital Olsztyn.