Throughout the world, Gaddi-Nguyen (Gaddi-Nguyen 
) is an extremely rare unknown gender given name. Predominantly, Gaddi-Nguyen is the last name as well as the forename. Parts of the name also exists independently as a last name Gaddi, and a last name Nguyen.
| VARIANT | COUNTRY |
|---|---|
| Gaddi-Nguyen | United States |