The Lawu languages or Lawoish languages are a proposed branch of Loloish languages. Internal classification within Loloish is uncertain. It may form a branch of Central Loloish, or it may be an independent branch of Loloish. The Lawu languages are:
- Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Lawoish". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
- Hsiu, Andrew. 2017. The Lawu languages: footprints along the Red River valley corridor.
- Yang, Cathryn. 2012. Phonology sketch and classification of Lawu, an undocumented Ngwi language of Yunnan. In Linguistic Discovery, Volume 10, Issue 2, Year 2012. Hanover, NH: Dartmouth College.
- Lama, Ziwo Qiu-Fuyuan (2012), Subgrouping of Nisoic (Yi) Languages, thesis, University of Texas at Arlington (archived)