Lotuko language is a Nilo-Saharan language spoken primarily in South Sudan. It is the native language of the Lotuko people, who reside mainly in the Eastern Equatoria region. The language has several dialects, reflecting the diverse communities within the Lotuko ethnic group. As a member of the Nilo-Saharan language family, Lotuko shares features with other languages in the region. It is primarily an oral language, though efforts are being made to promote literacy and documentation. The language plays a crucial role in preserving the cultural identity of the Lotuko people.