Across the world, วันพนา (วันพนา 
, Wanpana 
) is a very rare unisex forename. The first name วันพนา is habitual in Thailand, where it is a very rare predominantly feminine, but scarcely male name, and Nigeria, where it is an extremely rare epicene name. Very seldom, วันพนา is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| วันพนา | Thailand |
| Wanpana | Nigeria |