Around the globe, วนชัย (วนชัย 
) is a very rare epicene first name. The first name วนชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare unisex name. Very seldom, วนชัย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| วนชัย | Thailand |