Cognomen Thiyagaraj (Thiyagaraj 
) , all around the world, is a rare family name. The family name Thiyagaraj is characteristic of Sri Lanka, where it is quite a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Thiyagaraj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thiyagaraj | Malaysia, India, United States, Sri Lanka, Denmark |
| j.g. thiyagaraj botanist |
|