Languages written with Tai Tham (Lanna) script
| Language | Writing System Code | Writing System Status | SLDR/CLDR locale | Regional variants |
|---|---|---|---|---|
| Khün | kkh-Lana | in use | kkh-Lana-MM (Myanmar) | |
| Lü | khb-Lana | in use | khb-Lana-CN (China) | |
| Phuan | phu-Lana | in use | phu-Lana-TH (Thailand) | |
| Samtao | stu-Lana | unwritten | stu-Lana-MM (Myanmar) | |
| Tai Ya | cuu-Lana | obsolete | cuu-Lana-CN (China) | |
| Thai, Northern | nod-Lana | in use | nod (SLDR) | nod-Lana-TH (Thailand) |