Cognomen ยิ่งยงวัฒนกุล (ยิ่งยงวัฒนกุล, Yingyongwattanakul 
) , in the world, is a very rare family name. The family name ยิ่งยงวัฒนกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yingyongwattanakul | Thailand |