Tumma is an ethnic group in

South Kurdufan South Kordofan ( ar, جنوب كردفان ') is one of the 18 wilayat or states of Sudan. It has an area of 158,355 km² and an estimated population of approximately 1,100,000 people (2000).Sudan Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic t ...

. They speak

Katcha-Kadugli-Miri Kadugli, also Katcha-Kadugli-Miri or Central Kadu, is a Kadu language or dialect cluster spoken in Kordofan. Stevenson treats the varieties as dialects of one language, and they share a single ISO code, though Schadeberg (1989) treats them as se ...

, a Nilo-Saharan language. The population of this group likely exceeds 10,000.

References

Joshua Project
Nuba peoples Ethnic groups in Sudan {{Sudan-ethno-group-stub