Tunga Spur is a prominent rock spur extending from the Kirwan Escarpment just southwest of Gommen Valley, in Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and additional air photos (1958–59), and named Tunga (the tongue).

This article incorporates public domain material from the United States Geological Survey document "Tunga Spur" ^[1] (content from the Geographic Names Information System).