Surname แก้วพิพัฒน์ (แก้วพิพัฒน์, Kaewpipat 
, Kaeopipat ) , across the world, is a rare last name. The cognomen แก้วพิพัฒน์ is habitual in Thailand, where it is a rare surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewpipat, Kaeopipat | Thailand |
| Keawpipat | Thailand, Australia |
Kaeophiphat, Kaewphiphat, and Kaewpiphat