Worldwide, Varadarajan (Varadarajan 
) is quite a rare male forename. The given name Varadarajan is characteristic of Singapore, where it is a rare male name, United Arab Emirates, and India, where it is a very rare masculine name. Likewise, Varadarajan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Varadarajan | Singapore, India, Ghana, United Arab Emirates, United States |
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veeravalli s. varadarajan Indian mathematician, IN (b. 1937) |
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| srinivasan varadarajan Indian chemist (born 1928), IN (b. 1928) |
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devarajan varadarajan Singaporean actor, singer and director, SG (b. 1980) |
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| ganapathy subramaniam varadarajan botanist (b. 1955) |
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| madabhusi varadarajan (b. 1948) |
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| raghavan varadarajan Indian biophysicist and professor at the Indian Institute of Science, IN (b. 1960) |
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| raghavan varadarajan researcher (ORCID 0000-0002-2693-5248) |
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| srivatsan varadarajan Ph.D. University of Minnesota-Minneapolis 2004 |
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| kalathoor varadarajan Ph.D. Columbia University 1960 |
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| sridhar varadarajan researcher |
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| raghavan varadarajan researcher (ORCID 0000-0002-0823-7577) |
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