Family name วุฒิศักดิ์สิริ (วุฒิศักดิ์สิริ 
) , all over the world, is an extremely rare surname. The family name วุฒิศักดิ์สิริ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วุฒิศักดิ์สิริ | Thailand |