Across the world, วลัยธัญ (วลัยธัญ 
) is a very rare mostly feminine, but uncommonly boy's forename. The forename วลัยธัญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare primarily feminine, but scarcely boy's name. Much less frequently, วลัยธัญ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| วลัยธัญ | Thailand |