Bana is an Afro-Asiatic language spoken in northern Cameroon. Dialects include Gamboura and Gili.
The vowels of Bana are /ɨ ə ɛ/, which can occur with high, falling, low, or rising tone. 
- ^ a b Bana at Ethnologue (18th ed., 2015)
- ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, eds. (2016). "Bana". Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History.
- ^ Hofmann, Erica. 1990. A preliminary phonology of bana. University of Victoria. (MA thesis).