Last name ยศประเสริฐ (ยศประเสริฐ 
, Yosprasert , Yothaprasert 
) , in all the world, is a rare cognomen. The last name ยศประเสริฐ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ยศประเสริฐ, Yothaprasoet, Yosprasert | Thailand |
| Yothaprasert | United States, Thailand |
Yotaprasert, and Yotprasert