Cognomen วจนาภรณ์ (วจนาภรณ์ 
) , globally, is a very rare family name. The family name วจนาภรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, วจนาภรณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วจนาภรณ์ | Thailand |