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