班塘语

班塘语(自称：)是老挝南部一种彝语。它在毕苏语群内部的演化相当激进。

参考
Udomkool, Kitjapol. 2006. [https://web.archive.org/web/20150526131622/http://ic.payap.ac.th/graduate/linguistics/theses/Kitjapol_Thesis.pdf 毕苏语方言的音韵比较]*. M.A. dissertation. Chiang Mai: Payap University.
Wright, Pamela Sue. n.d. Singsali (Phunoi) Speech Varieties Of Phongsali Province*. m.s.