Cognomen Swaminathan (Swaminathan 
, சுவாமிநாதன்) , throughout the world, is a common last name. The last name Swaminathan is habitual in Sri Lanka, where it is quite a common surname, Bahrain, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, this name is the most popular in India, Sri Lanka, and the United States. Likewise, Swaminathan is the forename as well as the last name.
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| Swaminathan | United Arab Emirates, United States, Malaysia, Sri Lanka, India |
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komal swaminathan Komal Swaminathan is known as a noted Tamil Theater personality, Film Director and Editor of Tamil literary magazine 'Subamangala'. Tamil writer, (b. 1935) |
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| k. swaminathan Indian literary scholar, IN (b. 1896) |
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swaminathan sivaram Indian chemist, IN (b. 1946) |
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| kalpakam swaminathan Indian musician (1922-2011), IN (b. 1922) |
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r. swaminathan Indian diplomat, IN |
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| mina swaminathan Indian educationalist, IN (b. 1933) |
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| venkat swaminathan Tamil writer and literary critic (1933-2015) (b. 1933) |
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soumya swaminathan Indian chess player, IN (b. 1989) |
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| mangudi srinivasan swaminathan botanist (b. 1941) |
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| swaminathan aiyar Indian journalist, IN (b. 1942) |
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| thenkachi ko. swaminathan Indian radio personality (b. 1946) |
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| swaminathan chandramohan Indian businessperson (born 1951, child of Vilvarayanallur Velayutham Swaminathan), IN (b. 1951) |
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| kalpana swaminathan Indian writer, IN (b. 1956) |
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| swaminathan venkatraman Indian businessperson (born 1967, child of Venkataraman Swaminathan), IN (b. 1967) |
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| sumanth swaminathan researcher |
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