Surname ตรัน (Tran 
, ตรัน 
) , all over the world, is a widespread cognomen. The family name ตรัน is characteristic of Vietnam, where it is a common surname, Macao, and Australia, where it is quite a common surname (explore the name in all countries). In absolute terms, the name is most common in Vietnam, the United States, and Australia. Much less frequently, ตรัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tran | Australia, Canada, Vietnam, United States, Malaysia |
| ตรัน | Thailand |