|Extinct||marginalized by Classical Arabic from the 7th century|
|Ancient North Arabian alphabet|
Hasaitic is an Ancient North Arabian dialect attested in inscriptions in the Eastern Province of Saudi Arabia at Thaj, Hinna, Qatif, Ras Tanura, Abqaiq in the al-Hasa region, Ayn Jawan, Mileiha and at Uruk. It is written in the Ancient North Arabian script and date from the 3rd to 2nd centuries BC.
- Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, eds. (2016). "Hasaitic". Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History.
- William Facey, The Story of the Eastern Province of Saudi Arabia, 1994, ISBN 1-900988-18-6
- Macdonald, M. C. A. (2000). "Reflections on the linguistic map of pre-Islamic Arabia". Arabian Archaeology and Epigraphy. 11. pp. 28–79. Retrieved 28 July 2014.