Surname วทัญญตา (วทัญญตา 
) , in the world, is an extremely rare family name. The family name วทัญญตา is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, วทัญญตา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วทัญญตา | Thailand |