Cognomen Panaiyappan (Panaiyappan 
) , throughout the world, is a very rare surname. The last name Panaiyappan is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Also, Panaiyappan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Panaiyappan | India, Malaysia |