Surname พูลแก้ว (พูลแก้ว, Poolaikhaw 
, Poolkaew 
) , all over the world, is a rare family name. The family name พูลแก้ว is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Poolaikhaw, Phoolkaew | Thailand |
| Poolkaew | Malaysia, Thailand |
Poolgaew, Poolunkeaw, and Pulonkaew