Cognomen ธนวัฒนประเสริฐ (ธนวัฒนประเสริฐ 
, Thanwattanapasert , Thanwathanaprasert ) , all around the world, is a very rare last name. The cognomen ธนวัฒนประเสริฐ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thanwattanapasert, ธนวัฒนประเสริฐ, Thanwathanaprasert, Thanwatthanaprasert | Thailand |