Family name Varadaraj (Varadaraj 
) , worldwide, is quite a rare surname. The cognomen Varadaraj is characteristic of Ireland, where it is a rare surname, United Arab Emirates, and New Zealand. Not in comparison with a country's population, it most frequently occurs in India, Malaysia, and the United States. More prevalently, Varadaraj is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Varadaraj | Australia, United Arab Emirates, United States, India, Malaysia |
| kenchappa varadaraj Indian footballer (1924-2011), IN (b. 1924) |
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| archana varadaraj researcher |
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| sharadamma varadaraj Sharadamma Varadaraj, Kannada Film Producer, IN |
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| varshini varadaraj researcher ORCID ID = 0000-0003-2060-1316 |
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