Łosiewice [wɔɕɛˈvit͡sɛ] is a village in the administrative district of Gmina Łochów, within Węgrów County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) north of Łochów, 28 km (17 mi) north-west of Węgrów, and 65 km (40 mi) north-east of Warsaw.