All around the world, วันทยา (วันทยา 
, Wanthaya 
) is a rare unisex first name. The forename วันทยา is habitual in South-eastern Asia, particularly Thailand, where it is a rare epicene name. Likewise, วันทยา is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| วันทยา | Thailand |
| Wanthaya | Thailand, France |