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