Cognomen Gnanavadivel (Gnanavadivel 
) , throughout the world, is a rare last name. The last name Gnanavadivel is habitual in Sri Lanka, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Sri Lanka, India, and the United Kingdom. Much less frequently, Gnanavadivel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gnanavadivel | Canada, United Kingdom, United States, India, Sri Lanka |