Surname ยงวรธันย์กุล (ยงวรธันย์กุล 
) , in the entire world, is an extremely rare family name. The last name ยงวรธันย์กุล is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ยงวรธันย์กุล | Thailand |