傣liè仂语（ᦅᧄᦑᦺᦟᦹᧉ，kam tai lue；或傣泐语）属于侗台语族台语支，泰族支系泐人的语言，是泰语的一种方言，称为泰语西双版纳话，或泰语泐方言。有自己的文本——老傣文和素可泰文。使用人口分布于中国（西双版纳州和江城县）30多万，缅甸30万，老挝13万，泰国100万，越南5千多。操该语言的族群自称泐，中国官方认定为傣族的一支，泰国认定为泰族的一个支系——泰泐，越南认定为卢族；泰语泐方言和泰国北部的阮方言有很大的一致性。泰语泐方言是西双版纳傣族自治州的官方语言之一，又被中国称为西双版纳傣语。

Tai Lü (Tai Lü: ᦅᧄᦺᦑᦟᦹᧉ, kam tai lue, [kâm.tâj.lɯ̀]) or Tai Lɯ, Tai Lue, Thai Lue, Tai Le; Xishuangbanna Dai (Chinese:傣仂语; pinyin:Dǎilèyǔ; Thai:ภาษาไทลื้อ, phasa thai lue, pronounced [pʰāː.sǎː.tʰāj.lɯ́ː]; Vietnamese:Lự or Lữ) is a Tai language of the Lu people, spoken by about 700,000 people in Southeast Asia. This includes 280,000 people in China (Yunnan), 200,000 in Burma, 134,000 in Laos, 83,000 in Thailand, and 4,960 in Vietnam. The language is similar to other Tai languages and is closely related to Kham Mueang or Tai Yuan, which is also known as Northern Thai language. In Yunnan, it is spoken in all of Xishuangbanna Dai Autonomous Prefecture, as well as Jiangcheng Hani and Yi Autonomous County in Pu'er City.