Around the globe, Ranganathan (Ranganathan 
, Ранганатхан) is quite a rare masculine forename. The first name Ranganathan is characteristic of Oman, where it is a rare masculine name, Singapore, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in India, the United States, and South Africa. Also, Ranganathan is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Ranganathan | Sri Lanka, United Arab Emirates, India, Malaysia, United States |
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bayilvan ranganathan Indian actor, IN (b. 1968) |
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| ranganathan francis field hockey player (1920-1975), IN (b. 1920) |
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| ranganathan yogeshwar (b. 1932) |
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| veeraraghavan ranganathan Indian businessperson (born 1942, child of Sundararaghavan Veeraraghavan), IN (b. 1942) |
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| ranganathan shashidhar physicist, US (b. 1946) |
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| ranganathan assikadu rajagopalan Indian businessperson (born 1946, child of Assikadu Rajagopalan), IN (b. 1946) |
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| ranganathan ramachandran (b. 1936) |
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| ranganathan vijayaraghavan Indian businessperson (born 1950, child of Ranganathan), IN (b. 1950) |
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| srinivasa ranganathan (b. 1941) |
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| venugopalsamy ranganathan Indian businessperson (born 1957, child of Venugopalsamy), IN (b. 1957) |
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| varadarajan ranganathan Indian businessperson (born 1958, child of Ranganathan), IN (b. 1958) |
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| ranganathan chinnikrishnan Indian businessperson (born 1960, child of Ranganathan Chinni Krishnan), IN (b. 1960) |
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| nagarajan ranganathan Distinguished University Professor of Computer Science and Engineering at the University of South Florida, Tampa, United States, IN (b. 1961) |
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| subramanian ranganathan Indian businessperson (born 1963, child of Trirukandiyur Rangaiyer Subramanian), IN (b. 1963) |
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| ranganathan varadarajan dilip kumar Indian businessperson (born 1968, child of Varadarajan), IN (b. 1968) |
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