Cognomen ทฤษดี (ทฤษดี 
) , across the world, is an extremely rare surname. The family name ทฤษดี is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ทฤษดี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทฤษดี | Thailand |