East Numidian, also known as Old Berber, was the language of the Maesulians of the eastern part of ancient Numidia during the Pre-Roman era, in what is now Libya.
The language is scarcely attested, and can only be confidently identified as Afro-Asiatic; however, the Maesulians were ethnically Berber, and it is supposed that East Numidian was therefore a Berber language. The Berber branch of Afro-Asiatic is sometimes called Numidian-Berber, as it is not certain that East Numidian would fall within the modern Berber languages, or form a sister branch to them. Indeed, it is widely supposed that it forms a group of its own, as there is no trace of the noun-case system shared by the modern Berber languages. Proto-Berber is also theorized not to have grammatical case