Cognomen วิไลรัตนา (วิไลรัตนา 
, Wilairattana , Vilairatana 
) , in all the world, is a very rare last name. The family name วิไลรัตนา is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, วิไลรัตนา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilairattana, วิไลรัตนา | Thailand |
| Vilairatana | United States, Thailand |