Cognomen Navanithan (Navanithan 
) , globally, is a very rare surname. The cognomen Navanithan is habitual in Qatar, where it is a rare surname, Malaysia, and India, where it is an extremely rare surname. Also, Navanithan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Navanithan | United Kingdom, India, Malaysia, Qatar |