Family name Tran Nguyen (Tran Nguyen 
) , worldwide, is a rare cognomen. The surname Tran Nguyen is characteristic of Vietnam, where it is a rare surname, Singapore, where it is a very rare surname, and France. In absolute terms, it is commonest in Vietnam, France, and Indonesia. Likewise, Tran Nguyen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tran Nguyen | United States, France, Japan, Vietnam, Indonesia |