Cognomen Valayadam (Valayadam 
) , throughout the world, is a very rare last name. The family name Valayadam is characteristic of South Africa, where it is a very rare surname, Malaysia, and India, where it is an extremely rare surname. Very seldom, Valayadam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Valayadam | India, Malaysia, South Africa |