Family name Tĥwïñ (Tĥwïñ 
) , throughout the world, is a very rare last name. The surname Tĥwïñ is characteristic of South-eastern Asia, particularly Myanmar, where it is a rare surname. Very seldom, Tĥwïñ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tĥwïñ | Myanmar |