The Northwestern Kuki-Chin languages, originally called Old Kuki languages, is a branch of Kuki-Chin languages.DeLancey, Scott; Krishna Boro; Linda Konnerth; Amos Teo, Tibeto-Burman Languages of the Indo-Myanmar borderland. 31st South Asian Languages Analysis Roundtable, 14 May 2015.
Most speakers identify as part of tribes traditionally grouped as Old Kukis, but some identify as Nagas. Andrew Hsiu (2019) also uses the label "Southern Naga" for Northwestern Kuki-Chin languages.
Languages Scott DeLancey et al. (2015) and Graham Thurgood (2016) list the following languages as Northwestern Kuki-Chin. Aimol Anal Chiru Chothe Kharam Koireng Kom Lamkang Monsang Moyon Purum Sorbung Tarao
References
Bibliography DeLancey, Scott (ed) Panel session: Tibeto-Burman Languages of the Indo-Myanmar borderland. Lancaster University, 2015. Peterson, David. 2017. "On Kuki-Chin subgrouping." In Picus Sizhi Ding and Jamin Pelkey, eds. Sociohistorical linguistics in Southeast Asia: New horizons for Tibeto-Burman studies in honor of David Bradley, 189-209. Leiden: Brill. Rüfenacht, Sara. 2025. A first look at reconstructing Proto-Northwestern (South Central). 58th International Conference on Sino-Tibetan Languages and Linguistics (ICSTLL 58), 3–5 September 2025, University of Bern. VanBik, Kenneth. 2009. Proto-Kuki-Chin: A Reconstructed Ancestor of the Kuki-Chin Languages. STEDT Monograph 8. .