Family name Karuppusamy (Karuppusamy 
) , worldwide, is quite a rare last name. The cognomen Karuppusamy is habitual in United Arab Emirates, where it is a rare surname, Malaysia, and Oman. Not in comparison with a country's population, it is commonest in India, Malaysia, and United Arab Emirates. Likewise, Karuppusamy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karuppusamy | Saudi Arabia, United Arab Emirates, Malaysia, United States, India |
| balasubramani karuppusamy researcher (ORCID 0000-0003-0671-1033) |
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| ramesh karuppusamy astronomer |
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