Family name Nadarajan (Nadarajan 
) , in the world, is a common cognomen. The cognomen Nadarajan is habitual in Malaysia, where it is quite a common surname, Singapore, where it is quite a rare surname, and United Arab Emirates. Not in comparison with a country's population, it most frequently occurs in Malaysia, India, and United Arab Emirates. Also, Nadarajan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nadarajan | United Arab Emirates, South Africa, Sri Lanka, Malaysia, India |
|
nadarajan periasamy Malaysian motorbike rider, MY (b. 1963) |
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| prabhiraj nadarajan businessperson, IN (b. 1976) |
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| saravanan prabhu nadarajan researcher |
|
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| amrutha nadarajan researcher (ORCID 0000-0001-6993-829X) |
|
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| gayathri devi nadarajan researcher |
|
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| veera sekaran nadarajan researcher |
|
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| saravanapriah nadarajan researcher (ORCID 0000-0001-5273-4514) |
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