Last name วิไลทอง (Vilaithong 
, วิไลทอง , Wilaithong ) , across the world, is a rare surname. The family name วิไลทอง is habitual in Laos, where it is quite a rare surname, Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, วิไลทอง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vilaithong | United States, Thailand, Laos |
| วิไลทอง, Wilaithong | Thailand |
| Wilathong | United States, Thailand |
Vilaythong, Wilaitong, and Wilatong