Around the world, เธีย (Thia 
, Theea 
, เธีย 
) is quite a rare dominantly female, but seldom male given name. The given name เธีย is characteristic of Indonesia, where it is quite a rare dominantly feminine, but seldom male name, Singapore, where it is a rare unisex name, and Romania, where it is a rare girly name. Not in comparison with a country's population, it most frequently occurs in Indonesia, the United States, and India. Also, เธีย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thia | Myanmar, France, Singapore, Indonesia, Malaysia |
| Theea | Romania, United States, Indonesia, South Africa |
| เธีย | Thailand |