Cognomen Chidambaram (Chidambaram 
) , all over the world, is quite a common surname. The cognomen Chidambaram is habitual in Singapore, where it is quite a rare surname, United Arab Emirates, and Qatar. In absolute terms, it is the most numerous in India, Malaysia, and United Arab Emirates. Likewise, Chidambaram is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Chidambaram | United Arab Emirates, India, Singapore, Malaysia, United States |
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m. a. chidambaram Indian industrialist and cricket administrator (1918-2000), IN (b. 1918) |
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| puthucode vaidyanathan chidambaram Indian businessperson (born 1956, child of Puthucode Chidambaram Vaidhyanathan), IN (b. 1956) |
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| m. ct. p. chidambaram Honorary Consul of Finland in South India, IN (b. 1960) |
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| ashwin muthiah chidambaram Indian businessperson (born 1966, child of Annamalai Chidambaram Muthiah), IN (b. 1966) |
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| chidambaram murugan botanist (b. 1973) |
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| tattamangalam sitaramaiyer chidambaram Ph. D. Case Institute of Technology 1967 |
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| chidambaram sabarathinam researcher (ORCID 0000-0003-1217-3286) |
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| sakthi chidambaram Indian film director, IN |
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| chidambaram manikkaraja researcher (ORCID 0000-0002-3901-4456) |
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| sathishkumar chidambaram researcher |
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| smrithi chidambaram researcher (ORCID 0000-0001-5650-8821) |
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| chidambaram thamaraiselvan researcher (ORCID 0000-0002-1443-9474) |
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| anoopkishore chidambaram researcher (ORCID 0000-0001-6593-3934) |
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| chidambaram prahalathan researcher (ORCID 0000-0001-6947-9732) |
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| chidambaram jebaraj researcher |
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