Cognomen Gnanasekaran (Gnanasekaran 
) , in the world, is quite a rare last name. The cognomen Gnanasekaran is characteristic of Singapore, where it is quite a rare surname, Sri Lanka, and United Arab Emirates. Measured by absolute frequency, the name is most common in India, Malaysia, and Sri Lanka. Likewise, Gnanasekaran is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Gnanasekaran | United Arab Emirates, United States, Malaysia, Sri Lanka, India |
| sivashanth gnanasekaran researcher (ORCID 0000-0003-0962-7718) |
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| senthil gnanasekaran researcher |
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| gnanasekaran munusamy researcher (ORCID 0000-0002-9760-231X) |
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| aswini gnanasekaran researcher |
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| prabu gnanasekaran researcher |
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| gopalsamy gnanasekaran researcher |
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| abeynaya gnanasekaran researcher |
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| karthikeyan gnanasekaran researcher |
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| gnanasekaran jothi researcher |
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| tharsiga gnanasekaran researcher (ORCID 0000-0002-6002-3293) |
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| g. gnanasekaran |
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