Family name Desikan (Desikan 
) , globally, is a rare surname. The surname Desikan is characteristic of United Arab Emirates, where it is a rare surname, Singapore, and India, where it is a very rare surname. In absolute terms, it is the most numerous in India, the United States, and United Arab Emirates. Very seldom, Desikan is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Desikan | United Arab Emirates, Singapore, United Kingdom, United States, India |
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rahul desikan Indian-American neuroscientist (b. 1978) |
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| anita desikan researcher |
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| rajat desikan researcher |
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| raman desikan researcher (ORCID 0000-0001-8560-2841) |
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| rahul s desikan researcher |
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| ramesh desikan researcher |
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| m. desikan researcher |
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| radhika desikan |
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