Family name Vasudavan (Vasudavan 
) , globally, is a rare last name. The cognomen Vasudavan is habitual in Malaysia, where it is a rare surname, United Arab Emirates, and Australia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Malaysia, United Arab Emirates, and India. Much less frequently, Vasudavan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vasudavan | Australia, South Africa, United Arab Emirates, India, Malaysia |