Family name วจนะศักดิ์ (วจนะศักดิ์ 
) , across the world, is an extremely rare surname. The family name วจนะศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วจนะศักดิ์ | Thailand |