Family name Thiruvarasan (Thiruvarasan 
) , throughout the world, is a very rare last name. The cognomen Thiruvarasan is habitual in Malaysia, where it is an extremely rare surname, and India. More frequently, Thiruvarasan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thiruvarasan | India, United States, Malaysia |