Throughout the world, ธัญญาวิทย์ (ธัญญาวิทย์ 
) is a very rare predominantly boy's, but very seldom female given name. The given name ธัญญาวิทย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare principally boy's, but very infrequently feminine name. Much less frequently, ธัญญาวิทย์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ธัญญาวิทย์ | Thailand |