Last name Chinnaiyan (Chinnaiyan 
) , across the world, is a rare surname. The surname Chinnaiyan is characteristic of Mauritius, where it is quite a rare surname, United Arab Emirates, and Qatar, where it is a rare surname. In absolute terms, it is commonest in India, Malaysia, and United Arab Emirates. Also, Chinnaiyan is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Chinnaiyan | Saudi Arabia, United Arab Emirates, Malaysia, Singapore, India |
| prakash chinnaiyan researcher (ORCID 0000-0001-9336-1734) |
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| mayilvanan chinnaiyan researcher |
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| prakash chinnaiyan researcher (ORCID 0000-0003-2962-7846) |
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| kavitha chinnaiyan |
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