Foi (Foe) is a Papuan language of Papua New Guinea. Dialects are Ifigi, Kafa, Kutubu, Mubi.
*Ya'a is exclusive, yage inclusive. It's not clear if a reported minimal distinction in the plural between inclusive "yia" and exclusive "yiya" is real.
- ^ Foi at Ethnologue (18th ed., 2015)
- ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Foi". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.