Surname Hồng Ngọc (Hồng Ngọc 
) , all over the world, is a rare family name. The cognomen Hồng Ngọc is characteristic of South-eastern Asia, particularly Vietnam, where it is a rare surname. Also, Hồng Ngọc is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hồng Ngọc | Japan, Vietnam |