Zosin [ˈzɔɕin] is a village in the administrative district of Gmina Ułęż, within Ryki County, Lublin Voivodeship, in eastern Poland. It lies approximately 3 kilometres (2 mi) north-east of Ułęż, 14 km (9 mi) east of Ryki, and 51 km (32 mi) north-west of the regional capital Lublin.