Worldwide, Nguyễn Huỳnh (Nguyễn Huỳnh 
) is a rare epicene first name. The forename Nguyễn Huỳnh is habitual in South-eastern Asia, particularly Vietnam, where it is a rare gender-neutral name. Much less frequently, Nguyễn Huỳnh is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nguyễn Huỳnh | Vietnam |