Throughout the world, Harikrishnan (Harikrishnan 
) is quite a rare male given name. The given name Harikrishnan is habitual in Western Asia, particularly United Arab Emirates, where it is quite a rare masculine name, Oman, and Bahrain, where it is a rare boy's name. In absolute terms, it is commonest in India, United Arab Emirates, and Oman. Much less frequently, Harikrishnan is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Harikrishnan | United Arab Emirates, United States, India, Indonesia, Malaysia |
| harikrishnan latha Indian businessperson (born 1973, child of Nandagopal), IN (b. 1973) |
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| harikrishnan g. Indian art photographer (b. 1979) |
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| harikrishnan kothandan researcher |
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| ramasamy harikrishnan researcher |
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| harikrishnan kumarapillai researcher (ORCID 0000-0001-7494-2533) |
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| harikrishnan m kurup researcher (ORCID 0000-0001-5517-9907) |
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| harikrishnan jayamohan researcher ORCID ID = 0000-0002-6887-8368 |
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| harikrishnan tulsidas researcher, ORCID id # 0000-0002-5226-0651 |
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| harikrishnan narayanan unni researcher (ORCID 0000-0001-8678-7665) |
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| harikrishnan vijayakumar sreelatha researcher |
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| harikrishnan parameswaran researcher |
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| harikrishnan shanmugam botanist |
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| harikrishnan balachandran researcher |
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| harikrishnan ramiah researcher |
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| harikrishnan s nair researcher ORCID ID = 0000-0002-4301-9380 |
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Kv, Prabha Valsala, Rajendran, Narayanan, Venugopal, Veerasamy, Veerappan, Santhanadas, Batumalai, Srinivasan, Paramasivam, Janarthanan, Namboothiri, Venugopalan, Balakrishnan, Ramachandran, Unnikrishnan, Jayaseelan, Radhakrishnan, Shanmugam, Krishnan, Nair, Hari, Mohan, Menon, Kumar, Vanan, Kannan, Rajkumar, Pillai, Rajeev, Suppiah, Pavadai, Puniankutty, Nambiar, Vijayan, Selvaraj, Ramiah, and Gopalakrishnan