Surname Ponnayyan (Ponnayyan 
) , in the entire world, is a very rare last name. The surname Ponnayyan is habitual in United Arab Emirates, where it is a rare surname, India, where it is an extremely rare surname, and the United States. Much more frequently, Ponnayyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ponnayyan | India, United States, United Arab Emirates |