Waiwai  (Uaiuai, Uaieue, Ouayeone) is a Cariban language of northern Brazil, with a couple hundred speakers across the border in southern Guyana.
- ^ Waiwai at Ethnologue (18th ed., 2015)
- ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Waiwai". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
- ^ Laurie Bauer, 2007, The Linguistics Student’s Handbook, Edinburgh