Sibuco-Vitali Sama (Sibuku, Bitali, Nawan) is a variety of Inner Sulu Sama, a language spoken in the Philippines. It has approximately 11,000 speakers and is spoken in the Zamboanga Peninsula, 50 km north of Zamboanga City. Sibuco Sama people which borders a large population of Western Subanon, like the Western Subanon, both use the language of wider communication, namely Cebuano language.