All over the world, Hồng Ngọc (Hồng Ngọc 
) is a very rare girly forename. The forename Hồng Ngọc is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare feminine name. Also, Hồng Ngọc is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hồng Ngọc | Japan, Vietnam |