Surname ตาธิ (Ta Thi 
, ตาธิ 
) , in all the world, is a rare last name. The family name ตาธิ is characteristic of South-eastern Asia, particularly Vietnam, where it is a rare surname, Thailand, where it is a very rare surname, and Indonesia. Likewise, ตาธิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ta Thi | Germany, Vietnam, Indonesia, Malaysia |
| ตาธิ | Thailand |