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