Numidian was a language spoken in ancient Numidia. The script in which it was written, the Libyco-Berber alphabet, has been almost fully deciphered and most characters have known values. Despite this, the language has barely been deciphered and only a few words are known. Libyco-Berber inscriptions are attested from the 3rd century BC to the 3rd century AD. The language is scarcely attested and can be confidently identified only as belonging to the Afroasiatic family, although it was most likely part of the Berber languages, spoken at the start of the breakup of the Proto-Berber language.

The Libyco-Berber alphabet or the Libyc alphabet is an abjad writing system that was used during the first millennium BC by various Berber peoples of North Africa and the Canary Islands, to write ancient varieties of the Berber language like the Numidian language in ancient North Africa.