The Kam–Tai languages, also called Zhuang–Dong in China or Be–Kam–Tai, are a proposed primary branch of the Tai–Kadai language family, and include all major languages of that family. Ethnologue lists 76 languages in this branch. This makes it the largest branch of the Tai–Kadai language family containing over 80% of those languages.

The Kam–Tai languages, also called Zhuang–Dong in China or Be–Kam–Tai, are a proposed primary branch of the Tai–Kadai language family, and include all major languages of that family. Ethnologue lists 76 languages in this branch. This makes it the largest branch of the Tai–Kadai language family containing over 80% of those languages.