Cognomen Ngoc Tuyet (Ngoc Tuyet 
) , across the world, is a very rare surname. The cognomen Ngoc Tuyet is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. More frequently, Ngoc Tuyet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngoc Tuyet | Vietnam, Laos, United States, Thailand, Canada |