Cognomen Kirubaharan (Kirubaharan 
) , in the entire world, is a rare family name. The last name Kirubaharan is characteristic of Sri Lanka, where it is quite a rare surname, Norway, where it is a very rare surname, and Canada. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, India, and the United Kingdom. Much less frequently, Kirubaharan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kirubaharan | Canada, United Kingdom, Malaysia, India, Sri Lanka |