Tai Thanh language
| Tai Thanh | |
|---|---|
| Tai Man Thanh | |
| Native to | Vietnam | 
| Native speakers | 20,000 (2002) | 
| Kra–Dai
 
 | |
| Language codes | |
| ISO 639-3 | tmm | 
| Glottolog | tait1248 | 
Tai Thanh, or Tai Then, is a Southwestern Tai language of Nghe An Province and Thanh Hoa Province, north-central Vietnam.
Tayten (300 speakers as of 1995) is spoken in the 2 villages of Ban Phia and Ban Tenngiou in Pakxeng District, Luang Prabang Province, Laos. It is either Tai Then or Thin.