Selon les sources et le contexte, on observe de multiples formes, telles que : Aiba, Babumbiro, Bahamba, Bahaya, Bahuya, Bahyoza, Banyambo, Basiba, Baziba, Buhaya, Ekihaya, Hayas, Heia, Kiziba, Muhaya, Ruhaya, Wahaya, Wasiba, Wassiba, Ziba[1].
Langue
Leur langue est le haya, une langue bantoue dont le nombre de locuteurs était estimé à 1 300 000 en Tanzanie en 2006[2].
(en) Hans Cory et M. M. Hartnoll, Customary law of the Haya tribe, Tanganyika territory, Negro Universities Press, Westport, Conn., 1970, 299 p. (ISBN083714597X)
(en) Abel G. M. Ishumi, Kiziba, the cultural heritage of an old African kingdom, Maxwell School of Citizenship and Public Affairs, Syracuse University, Syracuse, N.Y., 1980, 103 p. (ISBN0915984563)
(en) Hellen Byera Nestor, 500 proverbs (Haya) : methali, emigani, East African Literature Bureau, Nairobi, 1977, 95 p.
(en) Peter R. Schmidt, Iron technology in East Africa : symbolism, science, and archaeology, Indiana University Press, Bloomington ; James Currey, Oxford, 1997, 328 p. (ISBN0253211093)
(en) Brad Weiss, The making and unmaking of the Haya lived world : consumption, commodization and everyday practice, Duke University Press, Londres, Durnham, 1996, 250 p. (ISBN978-0822317227)