Last name ขอคงประเสริฐ (ขอคงประเสริฐ 
) , across the world, is a very rare surname. The cognomen ขอคงประเสริฐ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขอคงประเสริฐ | Thailand |