Cognomen เศรษฐสินหิรัญ (เศรษฐสินหิรัญ 
, Sethasinhiran) , across the world, is a very rare last name. The last name เศรษฐสินหิรัญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เศรษฐสินหิรัญ | Thailand |