Surname วงศ์อุ้ย (วงศ์อุ้ย, Wongauy 
) , in all the world, is an extremely rare family name. The last name วงศ์อุ้ย is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongauy | Thailand |