Around the globe, Thi Thu (Thi Thu 
) is a rare female first name. The first name Thi Thu is characteristic of Vietnam, where it is a rare female name, and Canada, where it is a very rare girly name. Likewise, Thi Thu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thi Thu | Sweden, Vietnam, U.S. Virgin Islands, Canada, France |