Cognomen Kumarihamy (Kumarihamy 
) , globally, is a rare last name. The surname Kumarihamy is habitual in Sri Lanka, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kumarihamy | Sri Lanka, United States |
| prabhashini kumarihamy researcher |
|
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| mallika kumarihamy researcher |
|