Globally, Rangarajan (Rangarajan 
) is quite a rare male given name. The forename Rangarajan is characteristic of United Arab Emirates, where it is a rare masculine name, India, where it is a very rare boy's name, and the United States. Likewise, Rangarajan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rangarajan | Singapore, Australia, India, United States, United Arab Emirates |
| manakkal rangarajan Indian singer (1922-2019), IN (b. 1922) |
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| govindan rangarajan Indian mathematician (b. 1963) |
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| venkatesh rangarajan researcher |
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| govindan rangarajan Ph.D. University of Maryland College Park 1990 |
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