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