Last name Slia (Slia 
) , throughout the world, is a very rare cognomen. The cognomen Slia is characteristic of Malaysia, where it is a very rare surname, South Africa, where it is an extremely rare surname, and India. Also, Slia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Slia | South Africa, Malaysia, Mexico, United States, India |