Łosie [ˈwɔɕɛ] is a village in the administrative district of Gmina Radzymin, within Wołomin County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) north of Radzymin, 13 km (8 mi) north of Wołomin, and 30 km (19 mi) north-east of Warsaw.