Last name ธัญญกุลสัจจา (ธัญญกุลสัจจา 
) , around the world, is a very rare cognomen. The cognomen ธัญญกุลสัจจา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธัญญกุลสัจจา | Thailand |