Family name Manickam (Manickam 
, மாணிக்கம்) , in the world, is a common cognomen. The surname Manickam is habitual in Malaysia, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Singapore. In absolute terms, it is the most numerous in Malaysia, India, and Sri Lanka. Much less frequently, Manickam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Manickam | United Arab Emirates, Malaysia, India, United States, Sri Lanka |
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r. n. manickam (b. 1919) |
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m. s. manickam Indian politician (1946-2010), IN (b. 1946) |
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manickam yogeswaran Sri Lankan musician, IN (b. 1959) |
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| thomas marshel manickam (b. 1938) |
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| manickam vengaiyagounder Indian businessperson (born 1952, child of Vengaiyagounder), IN (b. 1952) |
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| manickam jaganathan (b. 1950) |
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| shanmugasadasivam manickam Ph.D. University of Toronto 1968 |
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| ravishankar manickam researcher |
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| manickam paulpandi researcher |
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| manickam selvamani researcher |
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| manickam bakthadoss researcher (ORCID 0000-0003-4184-3947) |
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| r. manickam Indian Politician, MY |
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| manickam ravichandran researcher (ORCID 0000-0001-5321-1344) |
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| loganathan manickam researcher (ORCID 0000-0002-4862-4037) |
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| m. manickam Ceylon Tamil politician |
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