Surname ทัสยา (Tasya 
, Thasya 
, ทัสยา 
) , throughout the world, is a common cognomen. The family name ทัสยา is characteristic of Indonesia, where it is quite a rare surname, Brunei, and Taiwan, where it is a rare surname. In absolute terms, the name is most common in Indonesia, Malaysia, and Taiwan. More prevalently, ทัสยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tasya | Saudi Arabia, Hong Kong, Taiwan, Malaysia, Indonesia |
| Thasya | Brazil, Indonesia, United States, Malaysia, India |
| ทัสยา | Thailand |