Family name Kularbkaew (Kularbkaew 
) , across the world, is a very rare cognomen. The surname Kularbkaew is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kularbkaew | Thailand |
Usanee, Urasaya, Thatphicha, and Thasanai