Family name Vamadevan (Vamadevan 
) , globally, is quite a rare surname. The family name Vamadevan is characteristic of Sri Lanka, where it is quite a rare surname, United Arab Emirates, and Qatar. Not in comparison with a country's population, it is commonest in Sri Lanka, Malaysia, and India. Also, Vamadevan is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Vamadevan | Malaysia, India, Saudi Arabia, Sri Lanka, United Arab Emirates |
| v. vamadevan indianSri Lankan cinematographer (1935–2019), LK (b. 1935) |
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| vamadevan beena researcher (ORCID 0000-0002-3579-0466) |
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| vamadevan s ajay researcher |
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| varatharajan vamadevan researcher ORCID ID = 0000-0003-3881-3130 |
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