Cognomen Thevanthiran (Thevanthiran 
) , around the globe, is a very rare last name. The family name Thevanthiran is characteristic of South-eastern Asia, particularly Malaysia, where it is a very rare surname. Likewise, Thevanthiran is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thevanthiran | Malaysia, Singapore |