Around the world, ธิว (Thio 
, ธิว 
) is quite a common gender-neutral forename. The first name ธิว is characteristic of South-eastern Asia, particularly Indonesia, where it is quite a rare epicene name, Singapore, where it is a rare unisex name, and Malaysia, where it is a very rare epicene name. Not in comparison with a country's population, it most frequently occurs in Indonesia, India, and China. Likewise, ธิว is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thio | Indonesia, Singapore, Ivory Coast, Malaysia, United States |
| ธิว | Thailand |