Surname ทัศนา (ทัศนา 
, Tassana 
, Thatsana 
, among others...) , in all the world, is quite a rare family name. The last name ทัศนา is characteristic of Thailand, where it is quite a rare surname, the United States, where it is an extremely rare surname, and India. More prevalently, ทัศนา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทัศนา | Thailand |
| Tassana | Thailand, Argentina, Brazil, United States, India |
| Thatsana | Thailand, United States, South Africa |
| Tatsana | South Africa, Thailand, United States, India, Nigeria |
| Tadsana | Thailand, United States |