Surname Thathsara (Thathsara 
) , across the world, is quite a rare family name. The surname Thathsara is habitual in Southern Asia, particularly Sri Lanka, where it is quite a rare surname. Likewise, Thathsara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thathsara | United States, Sri Lanka |