Family name Ngvyen (Ngvyen 
) , worldwide, is a very rare surname. The surname Ngvyen is characteristic of Malaysia, where it is an extremely rare surname, the United States, and the United Kingdom. More prevalently, Ngvyen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngvyen | China, Malaysia, United States, United Kingdom |