Across the world, Jaikumar (Jaikumar 
) is a common masculine first name. The first name Jaikumar is characteristic of India, where it is quite a rare masculine name, United Arab Emirates, where it is a rare boy's name, and Qatar. Not in comparison with a country's population, it is commonest in India, United Arab Emirates, and Saudi Arabia. Much less frequently, Jaikumar is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Jaikumar | United Arab Emirates, United States, India, Malaysia, Saudi Arabia |
| chelluri jaikumar cricketer, IN (b. 1961) |
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| jaikumar radhakrishnan Indian mathematician, IN (b. 1964) |
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| jaikumar ramamoorthy researcher (ORCID 0000-0002-0446-7260) |
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| jaikumar relwani researcher |
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| jaikumar shanmugasundaram researcher |
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Ram, Naidu, Verma, Ingle, Yadav, Mishra, Sawant, Sharma, Shinde, Kamble, Pillai, Rathod, Gandhi, Jadhav, Thakur, Meshram, Chauhan, Jaiswal, Chaugule, Kulkarni, Deshmukh, Gayakwad, Nadar, Upadhyay, Gupta, Desai, Ray, Rai, Das, Jai, Jha, Mane, More, Shah, Kale, Raut, Jain, Nair, Naik, Menon, Singh, Ahuja, Kadam, Kumar, Patil, Patel, Pawar, Doshi, and Nandakumar