Cognomen Amirthalingam (Amirthalingam 
) , all around the world, is quite a rare family name. The last name Amirthalingam is habitual in Sri Lanka, where it is quite a rare surname, Malaysia, and Singapore. In absolute terms, the name is most common in Sri Lanka, Malaysia, and India. Likewise, Amirthalingam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Amirthalingam | Singapore, Malaysia, India, United Arab Emirates, Sri Lanka |
| gayatri amirthalingam researcher (ORCID 0000-0003-2078-0975) |
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| ezhil amirthalingam researcher |
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| amirthalingam mohankumar researcher |
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| murugaiyan amirthalingam researcher |
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| pavithiran amirthalingam researcher |
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