Cognomen Vadamalai (Vadamalai 
) , globally, is a rare family name. The last name Vadamalai is habitual in Malaysia, where it is quite a rare surname, Singapore, where it is a rare surname, and Saudi Arabia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Malaysia, India, and Saudi Arabia. Much less frequently, Vadamalai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vadamalai | Saudi Arabia, South Africa, Malaysia, India, Singapore |