Naba yare ne na Nilo-Sahara wanda mutane 300,000 ke magana dashi a Chadi . Waɗanda suke magana da wannan harshe ana kiransu Lisi, sunan gama gari ne na kabilu uku masu alaƙa da juna, da Bilala, da Kuka da Medogo, waɗanda ke wakiltar yaruka uku da aka rarraba Naba a ciki. Suna zaune galibi a lardin Batha, amma Kuka ma suna cikin Chari-Baguirmi . Ethnologue ya kiyasta kamannun kalmomin tsakanin yaruka ukun da basu gaza 99% ba. Larabci galibi an san shi da yare na biyu. Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Harshen Naba". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History. Cite error: Invalid <ref> tag; no text was provided for refs named e18