Last name วิบูลย์สวัสดิ์ (Viboonsawat 
, วิบูลย์สวัสดิ์ , Wibulswasdi 
) , across the world, is a rare surname. The surname วิบูลย์สวัสดิ์ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, วิบูลย์สวัสดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วิบูลย์สวัสดิ์, Wiboonsawat, Viboonsawat | Thailand |
| Wibulswasdi | United States, Thailand |
| ชัยวัฒน์ วิบูลย์สวัสดิ์ TH (b. 1946) |
|