Wisłok Wielki (Polish pronunciation: [ˈviswɔk ˈfjɛlkʲi]) is a village in the Bukowsko Upland mountains. Since 1999 it is situated in the Subcarpathian Voivodship (province) of south-eastern Poland; previously in Krosno Voivodship (1975–1998) and Sanok district, Bukowsko subdistrict, located near the towns of Medzilaborce and Palota (in northeastern Slovakia). It was formerly officially divided into two parts: Wisłok Górny ("upper Wisłok") and Wisłok Dolny ("lower Wisłok"). The name "Wisłok Wielki" means "great Wisłok".