Family name เศษฐา (เศษฐา 
) , in the world, is a very rare cognomen. The family name เศษฐา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, เศษฐา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เศษฐา | Thailand |