Surname Thagaraj (Thagaraj 
) , in all the world, is a very rare family name. The family name Thagaraj is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Thagaraj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thagaraj | South Africa, Malaysia, India |