Cognomen Santhirasegar (Santhirasegar 
) , worldwide, is a rare last name. The cognomen Santhirasegar is characteristic of Malaysia, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Very seldom, Santhirasegar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santhirasegar | United Kingdom, Malaysia, Singapore |