Cognomen วิลิยา (Viliya 
, วิลิยา 
) , across the world, is a very rare family name. The last name วิลิยา is characteristic of Cambodia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. Much more prevalently, วิลิยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viliya | Laos, Cambodia, United States, Bulgaria, India |
| วิลิยา | Thailand |