In the entire world, วันบุญ (วันบุญ 
) is a very rare epicene first name. The forename วันบุญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare unisex name. More prevalently, วันบุญ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| วันบุญ | Thailand |