Surname ประดิษฐ์แก้ว (ประดิษฐ์แก้ว, Proetkaew 
) , across the world, is an extremely rare cognomen. The last name ประดิษฐ์แก้ว is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Proetkaew | Thailand |