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