Last name Harinarayanan (Harinarayanan 
) , in all the world, is a rare cognomen. The family name Harinarayanan is habitual in Singapore, where it is a rare surname, Malaysia, where it is a very rare surname, and Australia. In absolute terms, it is the most numerous in India, Malaysia, and the United States. More prevalently, Harinarayanan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Harinarayanan | Australia, Singapore, United States, India, Malaysia |
| c.v.r. harinarayanan Ph.D. Madurai Kamaraj University 2008 |
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| haritha manazhiyil harinarayanan badminton player, IN (b. 1995) |
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Babu, Gajapathy, Jayaraman, Narayanan, Srinivasan, Ramalingam, Namboodiri, Ramanujam, Ranganathan, Janakiraman, Namboothiri, Nampoothiri, Venkatraman, Sivaramakurup, Balakrishnan, Gangadharan, Paravannur, Palakkad, Krishnan, Nair, Shaji, Bojan, Raman, Sharma, Sunder, Appuettan, Prasad, Rajeev, Radhika, Gopalan, Sankaran, Abimanyu, Achuthan, Chandran, Vijayaraghavan, and Sathyanarayanan