Last name เศรษฐยุทธ (Setthayut 
, Settayut , เศรษฐยุทธ ) , in the world, is an extremely rare family name. Much more prevalently, เศรษฐยุทธ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Setthayut, เศรษฐยุทธ, Settayut | Thailand |
Settayuth, Setthayuth, and Setthayuti