Around the world, ทิวาธร (ทิวาธร 
) is a very rare unisex first name. The first name ทิวาธร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare epicene name.
| VARIANT | COUNTRY |
|---|---|
| ทิวาธร | Thailand |
ยงทองจรัสสกุล, and ฉิมสุนทร