Family name Jayakumar (Jayakumar 
) , throughout the world, is a common surname. The cognomen Jayakumar is habitual in Brunei, where it is quite a common surname, United Arab Emirates, and Maldives (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in India, Sri Lanka, and United Arab Emirates. More frequently, Jayakumar is the forename as well as the last name.
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| Jayakumar | United Arab Emirates, Saudi Arabia, Malaysia, Sri Lanka, India |
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s. jayakumar Singaporean politician, SG (b. 1939) |
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deepa jayakumar Indian politician, IN (b. 1974) |
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| jayakumar kannan Indian businessperson (born 1944, child of Kannan), IN (b. 1944) |
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| jayakumar jayaram (b. 1946) |
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| d. jayakumar Indian politician, IN (b. 1960) |
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| jayakumar jitendrasinh rawal Indian politician, IN (b. 1975) |
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| jayakumar bose researcher |
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| s jayakumar researcher |
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| varadharajan jayakumar researcher |
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| jayakumar rajamani researcher |
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| jayakumar sreenivasan researcher |
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| shruti jayakumar researcher |
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| nithish jayakumar researcher (ORCID 0000-0002-2321-2204) |
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| jayakumar nair researcher |
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| manju nidagodu jayakumar researcher |
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Sah, Mishra, Sharma, Kannan, Pancal, Paswan, Prasad, Pillai, Thakur, Paramar, Pasavan, Caudhari, Krishnan, Ramasamy, Debbarma, Chaudhari, Jayaraman, Natarajan, Subramanian, Subramaniam, Mahato, Mandal, Yadav, Nanoo, Ram, Ray, Das, Jai, Jha, Saha, Sahu, Sinh, Soni, Somasundaram, Jaya, Tela, Nair, Menon, Singh, Kumar, Patel, Reddy, Desai, Jayan, Josi, and Ramachandran