| Amdo Tibetano | |
| Bhotia: Tuth Valley | |
| Central Tibetan: Nepali | |
| Maithili: Thetiya | |
| Newari: Tauthali | |
| Rai, Thulung | |
| Rung: Tinkari | |
| Sauka: Tinkari | |
| Tamang, Eastern | |
| Tamang, Eastern Gorkha | |
| Tamang, Northwestern: Dhading | |
| Tamang, Western | |
| Tamang, Western: Northeastern | |
| Tamang, Western: Northwestern | |
| Tamang: Lamosangu | |
| Thakali | |
| Thakali: Tingaun | |
| Thami: Dolakha | |
| Thangmi | |
| Tharu, Dangura | |
| Tharu, Kathariya | |
| Tharu, Madhya Ksetriya | |
| Tharu, Madhya-Purbiya | |
| Tharu, Rana | |
| Tharu: Dangali | |
| Tharu: Dasauria | |
| Tharu: Deokhar | |
| Tharu: Kapilbastu | |
| Tharu: Khatima | |
| Tharu: Khawas | |
| Tharu: Mahottari | |
| Tharu: Mari | |
| Tharu: Morangia | |
| Tharu: Nawalparasi | |
| Tharu: Saptari | |
| Thudam | |
| Tibetan, Central | |
| Tibetan: Colloquial | |
| Tichurong | |
