Family name Tran-Quoc (Tran-Quoc 
) , around the world, is an extremely rare cognomen. The surname Tran-Quoc is characteristic of France, where it is an extremely rare surname, Canada, and the United States. Much less frequently, Tran-Quoc is the forename as well as the last name. Parts of the name also exists independently as a last name Tran, and a first name Quoc.
| VARIANT | COUNTRY |
|---|---|
| Tran-Quoc | Canada, France, United States |