Cognomen Vathu (Vathu 
) , around the world, is a rare family name. The cognomen Vathu is characteristic of Malaysia, where it is a very rare surname, South Africa, and India. Much less frequently, Vathu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vathu | Malaysia, India, United States, Thailand, South Africa |
| vathu wangthiraamnuay badminton player, TH (b. 1980) |
|