In all the world, Venkatachalam (Venkatachalam 
) is quite a common boy's first name. The first name Venkatachalam is habitual in Singapore, where it is quite a rare male name, India, where it is a rare masculine name, and United Arab Emirates. Measured by absolute frequency, it most frequently occurs in India, Singapore, and the United States. Also, Venkatachalam is the last name as well as the forename.
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| Venkatachalam | Indonesia, United States, Malaysia, United Arab Emirates, India |
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karnam venkatachalam Indian government official. (1874–1934), IN (b. 1874) |
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guduru venkatachalam Indian agronomist (b. 1909) |
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| kota venkatachalam Telugu writer, IN (b. 1885) |
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| venkatachalam balasubramanian Indian businessperson (born 1941, child of Venkatachalam), IN (b. 1941) |
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| hariharan venkatachalam chess player (b. 1956) |
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| venkatachalam ravichandran Indian businessperson (born 1956, child of Venkatachalam), IN (b. 1956) |
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| venkatachalam gedupudi Indian businessperson (born 1964, child of Munaswamy Naidu Gedupudi), IN (b. 1964) |
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| venkatachalam sampath kumar botanist, IN (b. 1966) |
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| venkatachalam subramaniam Indian businessperson (born 1966, child of Venkatachalam Subramaniam), IN (b. 1966) |
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| venkatachalam ramaswamy Indian climate scientist, IN |
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| venkatachalam ramkumar researcher (ORCID 0000-0001-7088-5797) |
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| venkatachalam tamilmani researcher (ORCID 0000-0002-7898-6418) |
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| venkatachalam subramanian researcher |
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| mekala venkatachalam researcher |
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| venkatachalam ramkumar researcher (ORCID 0000-0002-5828-5323) |
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