Family name วงศ์วิริยะเวช (วงศ์วิริยะเวช 
) , throughout the world, is an extremely rare last name. The surname วงศ์วิริยะเวช is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงศ์วิริยะเวช | Thailand |