Family name Thurairaj (Thurairaj 
) , around the world, is a rare surname. The family name Thurairaj is habitual in Sri Lanka, where it is a rare surname, Malaysia, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Malaysia, Sri Lanka, and India. Very seldom, Thurairaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thurairaj | Malaysia, United Kingdom, India, Singapore, Sri Lanka |