Family name Hùynh (Hùynh 
) , globally, is a rare surname. The surname Hùynh is characteristic of Vietnam, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Hùynh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hùynh | Vietnam, United States |