Cognomen Thenarasi (Thenarasi 
) , throughout the world, is an extremely rare family name. The surname Thenarasi is characteristic of South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. Much more prevalently, Thenarasi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thenarasi | Malaysia, India |
Mohan, Vvaratharaj, Ganeson, Athinathan, Muthiah Valliyappah, Varatharaj, and Balakrishnan