Cognomen Mulliah (Mulliah 
) , around the world, is a rare surname. The last name Mulliah is characteristic of Mauritius, where it is quite a common surname, Australia, where it is a very rare surname, and South Africa. Very seldom, Mulliah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mulliah | Mauritius, United Kingdom, South Africa, Australia, India |