Last name Chinnaraj (Chinnaraj 
) , in all the world, is a rare family name. The surname Chinnaraj is characteristic of United Arab Emirates, where it is a rare surname, Singapore, and Malaysia, where it is a very rare surname. Measured by absolute frequency, the name is most common in India, the United States, and United Arab Emirates. Likewise, Chinnaraj is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Chinnaraj | Australia, United Arab Emirates, India, Malaysia, United States |
| k chinnaraj Recipient of Shaurya Chakra, IN |
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| o. k. chinnaraj Member of the Tamil Nadu Legislative Assembly, IN |
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| s. chinnaraj botanist |
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| mathivanan chinnaraj researcher |
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