Cognomen Thavamtoo (Thavamtoo 
) , across the world, is a very rare family name. The last name Thavamtoo is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thavamtoo | Malaysia |
Jeyaraj, Jeythees, and Jayachitra